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74029885 = 5136710831
BaseRepresentation
bin1000110100110…
…01101100111101
312011022002220121
410122121230331
5122422424020
611202414541
71556146366
oct432315475
9164262817
1074029885
1138873826
1220961451
131244cb87
149b90b6d
156774baa
hex4699b3d

74029885 has 8 divisors (see below), whose sum is σ = 88909056. Its totient is φ = 59175120.

The previous prime is 74029867. The next prime is 74029889. The reversal of 74029885 is 58892047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74029885 - 221 = 71932733 is a prime.

It is a super-2 number, since 2×740298852 = 10960847746226450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74029889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420 + ... + 12250.

It is an arithmetic number, because the mean of its divisors is an integer number (11113632).

Almost surely, 274029885 is an apocalyptic number.

It is an amenable number.

74029885 is a deficient number, since it is larger than the sum of its proper divisors (14879171).

74029885 is a wasteful number, since it uses less digits than its factorization.

74029885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12203.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 74029885 is about 8604.0621220444. The cubic root of 74029885 is about 419.8901545694.

It can be divided in two parts, 740 and 29885, that added together give a square (30625 = 1752).

The spelling of 74029885 in words is "seventy-four million, twenty-nine thousand, eight hundred eighty-five".

Divisors: 1 5 1367 6835 10831 54155 14805977 74029885