64572160 has 72 divisors (see below), whose sum is σ = 157396176. Its totient is φ = 25374720.

The previous prime is 64572149. The next prime is 64572173. The reversal of 64572160 is 6127546.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77667 + ... + 78493.

It is an arithmetic number, because the mean of its divisors is an integer number (2186058).

Almost surely, 2^64572160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64572160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78698088).

64572160 is an abundant number, since it is smaller than the sum of its proper divisors (92824016).

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

64572160 is an equidigital number, since it uses as much as digits as its factorization.

64572160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 64572160 is about 8035.6804316747. The cubic root of 64572160 is about 401.1884653779.

The spelling of 64572160 in words is "sixty-four million, five hundred seventy-two thousand, one hundred sixty".