64472570 has 8 divisors (see below), whose sum is σ = 116050644. Its totient is φ = 25789024.

The previous prime is 64472563. The next prime is 64472587. The reversal of 64472570 is 7527446.

It can be written as a sum of positive squares in 2 ways, for example, as 62932489 + 1540081 = 7933^2 + 1241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64472570.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3223619 + ... + 3223638.

Almost surely, 2^64472570 is an apocalyptic number.

64472570 is a deficient number, since it is larger than the sum of its proper divisors (51578074).

64472570 is a wasteful number, since it uses less digits than its factorization.

64472570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447264.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 64472570 is about 8029.4813032972. The cubic root of 64472570 is about 400.9821075219.

The spelling of 64472570 in words is "sixty-four million, four hundred seventy-two thousand, five hundred seventy".