74657992 has 16 divisors (see below), whose sum is σ = 147351600. Its totient is φ = 35364240.

The previous prime is 74657987. The next prime is 74657993. The reversal of 74657992 is 29975647.

It is not an unprimeable number, because it can be changed into a prime (74657993) 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 3 ways as a sum of consecutive naturals, for example, 245434 + ... + 245737.

It is an arithmetic number, because the mean of its divisors is an integer number (9209475).

Almost surely, 2^74657992 is an apocalyptic number.

It is an amenable number.

74657992 is a deficient number, since it is larger than the sum of its proper divisors (72693608).

74657992 is a wasteful number, since it uses less digits than its factorization.

74657992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491196 (or 491192 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 74657992 is about 8640.4856344999. The cubic root of 74657992 is about 421.0743319759.

The spelling of 74657992 in words is "seventy-four million, six hundred fifty-seven thousand, nine hundred ninety-two".