74657944 has 16 divisors (see below), whose sum is σ = 140568120. Its totient is φ = 37173120.

The previous prime is 74657939. The next prime is 74657953. The reversal of 74657944 is 44975647.

It is a junction number, because it is equal to n+sod(n) for n = 74657894 and 74657903.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 17434 + ... + 21289.

Almost surely, 2^74657944 is an apocalyptic number.

It is an amenable number.

74657944 is a deficient number, since it is larger than the sum of its proper divisors (65910176).

74657944 is a wasteful number, since it uses less digits than its factorization.

74657944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38970 (or 38966 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 74657944 is about 8640.4828568778. The cubic root of 74657944 is about 421.0742417352.

The spelling of 74657944 in words is "seventy-four million, six hundred fifty-seven thousand, nine hundred forty-four".