74122164 has 18 divisors (see below), whose sum is σ = 187364450. Its totient is φ = 24707376.

The previous prime is 74122163. The next prime is 74122171. The reversal of 74122164 is 46122147.

It can be written as a sum of positive squares in only one way, i.e., 60372900 + 13749264 = 7770^2 + 3708^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74122163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1029439 + ... + 1029510.

Almost surely, 2^74122164 is an apocalyptic number.

It is an amenable number.

74122164 is an abundant number, since it is smaller than the sum of its proper divisors (113242286).

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

74122164 is a wasteful number, since it uses less digits than its factorization.

74122164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058959 (or 2058954 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 74122164 is about 8609.4229771803. The cubic root of 74122164 is about 420.0645479025.

The spelling of 74122164 in words is "seventy-four million, one hundred twenty-two thousand, one hundred sixty-four".