74901612 has 12 divisors (see below), whose sum is σ = 174770456. Its totient is φ = 24967200.

The previous prime is 74901583. The next prime is 74901637. The reversal of 74901612 is 21610947.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×74901612² = 11220502960397088, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 74901612.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3120889 + ... + 3120912.

Almost surely, 2^74901612 is an apocalyptic number.

It is an amenable number.

74901612 is an abundant number, since it is smaller than the sum of its proper divisors (99868844).

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

74901612 is a wasteful number, since it uses less digits than its factorization.

74901612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241808 (or 6241806 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 74901612 is about 8654.5717398379. The cubic root of 74901612 is about 421.5318438361.

The spelling of 74901612 in words is "seventy-four million, nine hundred one thousand, six hundred twelve".