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74067018 = 2347262649
BaseRepresentation
bin1000110101000…
…10110001001010
312011100222211220
410122202301022
5122430121033
611203302510
71556362554
oct432426112
9164328756
1074067018
1138899713
122097aa36
1312463a4c
149ba04d4
156780bb3
hex46a2c4a

74067018 has 16 divisors (see below), whose sum is σ = 151286400. Its totient is φ = 24163616.

The previous prime is 74067013. The next prime is 74067047. The reversal of 74067018 is 81076047.

It is a self number, because there is not a number n which added to its sum of digits gives 74067018.

It is not an unprimeable number, because it can be changed into a prime (74067013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131043 + ... + 131606.

It is an arithmetic number, because the mean of its divisors is an integer number (9455400).

Almost surely, 274067018 is an apocalyptic number.

74067018 is an abundant number, since it is smaller than the sum of its proper divisors (77219382).

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

74067018 is a wasteful number, since it uses less digits than its factorization.

74067018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262701.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 74067018 is about 8606.2197276156. The cubic root of 74067018 is about 419.9603477305.

The spelling of 74067018 in words is "seventy-four million, sixty-seven thousand, eighteen".

Divisors: 1 2 3 6 47 94 141 282 262649 525298 787947 1575894 12344503 24689006 37033509 74067018