74940738 has 32 divisors (see below), whose sum is σ = 153619200. Its totient is φ = 24364176.

The previous prime is 74940707. The next prime is 74940751. The reversal of 74940738 is 83704947.

It is a super-2 number, since 2×74940738² = 11232228423969288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74940738.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 48445 + ... + 49967.

It is an arithmetic number, because the mean of its divisors is an integer number (4800600).

Almost surely, 2^74940738 is an apocalyptic number.

74940738 is an abundant number, since it is smaller than the sum of its proper divisors (78678462).

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

74940738 is a wasteful number, since it uses less digits than its factorization.

74940738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 74940738 is about 8656.8318685302. The cubic root of 74940738 is about 421.6052289234.

The spelling of 74940738 in words is "seventy-four million, nine hundred forty thousand, seven hundred thirty-eight".