74773912 has 8 divisors (see below), whose sum is σ = 140201100. Its totient is φ = 37386952.

The previous prime is 74773903. The next prime is 74773921. The reversal of 74773912 is 21937747.

It is an interprime number because it is at equal distance from previous prime (74773903) and next prime (74773921).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×74773912² = 11182275831567488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4673362 + ... + 4673377.

Almost surely, 2^74773912 is an apocalyptic number.

It is an amenable number.

74773912 is a deficient number, since it is larger than the sum of its proper divisors (65427188).

74773912 is a wasteful number, since it uses less digits than its factorization.

74773912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346745 (or 9346741 counting only the distinct ones).

The product of its digits is 74088, while the sum is 40.

The square root of 74773912 is about 8647.1909889860. The cubic root of 74773912 is about 421.2921505663.

The spelling of 74773912 in words is "seventy-four million, seven hundred seventy-three thousand, nine hundred twelve".