74589897916 has 6 divisors (see below), whose sum is σ = 130532321360. Its totient is φ = 37294948956.

The previous prime is 74589897913. The next prime is 74589897947. The reversal of 74589897916 is 61979898547.

It is a super-2 number, since 2×74589897916² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74589897911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9323737236 + ... + 9323737243.

Almost surely, 2^74589897916 is an apocalyptic number.

It is an amenable number.

74589897916 is a deficient number, since it is larger than the sum of its proper divisors (55942423444).

74589897916 is a wasteful number, since it uses less digits than its factorization.

74589897916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18647474483 (or 18647474481 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 73.

The spelling of 74589897916 in words is "seventy-four billion, five hundred eighty-nine million, eight hundred ninety-seven thousand, nine hundred sixteen".