64474164 has 24 divisors (see below), whose sum is σ = 167155520. Its totient is φ = 21491352.

The previous prime is 64474147. The next prime is 64474211. The reversal of 64474164 is 46147446.

64474164 is a `hidden beast` number, since 644 + 7 + 4 + 1 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298384 + ... + 298599.

Almost surely, 2^64474164 is an apocalyptic number.

It is an amenable number.

64474164 is an abundant number, since it is smaller than the sum of its proper divisors (102681356).

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

64474164 is a wasteful number, since it uses less digits than its factorization.

64474164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596996 (or 596988 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 64474164 is about 8029.5805618974. The cubic root of 64474164 is about 400.9854120808.

The spelling of 64474164 in words is "sixty-four million, four hundred seventy-four thousand, one hundred sixty-four".