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74649060 = 22335138239
BaseRepresentation
bin1000111001100…
…00110111100100
312012110120021000
410130300313210
5123102232220
611223553300
71564335513
oct434606744
9165416230
1074649060
1139156a42
1220bbb830
1312608955
149cb267a
156848390
hex4730de4

74649060 has 48 divisors (see below), whose sum is σ = 232243200. Its totient is φ = 19906272.

The previous prime is 74649041. The next prime is 74649061. The reversal of 74649060 is 6094647.

74649060 is a `hidden beast` number, since 7 + 4 + 649 + 0 + 6 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (74649061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68580 + ... + 69659.

It is an arithmetic number, because the mean of its divisors is an integer number (4838400).

Almost surely, 274649060 is an apocalyptic number.

It is an amenable number.

74649060 is an abundant number, since it is smaller than the sum of its proper divisors (157594140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74649060 is a wasteful number, since it uses less digits than its factorization.

74649060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138257 (or 138249 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 74649060 is about 8639.9687499435. The cubic root of 74649060 is about 421.0575390163.

The spelling of 74649060 in words is "seventy-four million, six hundred forty-nine thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 138239 276478 414717 552956 691195 829434 1244151 1382390 1658868 2073585 2488302 2764780 3732453 4147170 4976604 6220755 7464906 8294340 12441510 14929812 18662265 24883020 37324530 74649060