64472574 has 32 divisors (see below), whose sum is σ = 134064000. Its totient is φ = 20652192.

The previous prime is 64472563. The next prime is 64472587. The reversal of 64472574 is 47527446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16677 + ... + 20175.

It is an arithmetic number, because the mean of its divisors is an integer number (4189500).

Almost surely, 2^64472574 is an apocalyptic number.

64472574 is an abundant number, since it is smaller than the sum of its proper divisors (69591426).

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

64472574 is a wasteful number, since it uses less digits than its factorization.

64472574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624.

The product of its digits is 188160, while the sum is 39.

The square root of 64472574 is about 8029.4815523793. The cubic root of 64472574 is about 400.9821158144.

The spelling of 64472574 in words is "sixty-four million, four hundred seventy-two thousand, five hundred seventy-four".