74002020656 has 10 divisors (see below), whose sum is σ = 143378915052. Its totient is φ = 37001010320.

The previous prime is 74002020643. The next prime is 74002020661. The reversal of 74002020656 is 65602020047.

It is a super-2 number, since 2×74002020656² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2312563130 + ... + 2312563161.

Almost surely, 2^74002020656 is an apocalyptic number.

It is an amenable number.

74002020656 is a deficient number, since it is larger than the sum of its proper divisors (69376894396).

74002020656 is a wasteful number, since it uses less digits than its factorization.

74002020656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625126299 (or 4625126293 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 74002020656 in words is "seventy-four billion, two million, twenty thousand, six hundred fifty-six".