74989164 has 24 divisors (see below), whose sum is σ = 179243568. Its totient is φ = 24386560.

The previous prime is 74989153. The next prime is 74989169. The reversal of 74989164 is 46198947.

It is not an unprimeable number, because it can be changed into a prime (74989169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75717 + ... + 76700.

It is an arithmetic number, because the mean of its divisors is an integer number (7468482).

Almost surely, 2^74989164 is an apocalyptic number.

It is an amenable number.

74989164 is an abundant number, since it is smaller than the sum of its proper divisors (104254404).

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

74989164 is a wasteful number, since it uses less digits than its factorization.

74989164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152465 (or 152463 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 74989164 is about 8659.6283984938. The cubic root of 74989164 is about 421.6960218141.

The spelling of 74989164 in words is "seventy-four million, nine hundred eighty-nine thousand, one hundred sixty-four".