74919164 has 6 divisors (see below), whose sum is σ = 131108544. Its totient is φ = 37459580.

The previous prime is 74919161. The next prime is 74919167. The reversal of 74919164 is 46191947.

It is an interprime number because it is at equal distance from previous prime (74919161) and next prime (74919167).

It is a super-2 number, since 2×74919164² = 11225762268917792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74919161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9364892 + ... + 9364899.

It is an arithmetic number, because the mean of its divisors is an integer number (21851424).

Almost surely, 2^74919164 is an apocalyptic number.

It is an amenable number.

74919164 is a deficient number, since it is larger than the sum of its proper divisors (56189380).

74919164 is a wasteful number, since it uses less digits than its factorization.

74919164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18729795 (or 18729793 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 74919164 is about 8655.5857109730. The cubic root of 74919164 is about 421.5647676895.

The spelling of 74919164 in words is "seventy-four million, nine hundred nineteen thousand, one hundred sixty-four".