64565070 has 16 divisors (see below), whose sum is σ = 154956240. Its totient is φ = 17217344.

The previous prime is 64565051. The next prime is 64565131. The reversal of 64565070 is 7056546.

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, 1076055 + ... + 1076114.

It is an arithmetic number, because the mean of its divisors is an integer number (9684765).

Almost surely, 2^64565070 is an apocalyptic number.

64565070 is an abundant number, since it is smaller than the sum of its proper divisors (90391170).

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

64565070 is a wasteful number, since it uses less digits than its factorization.

64565070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152179.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 64565070 is about 8035.2392621502. The cubic root of 64565070 is about 401.1737813906.

The spelling of 64565070 in words is "sixty-four million, five hundred sixty-five thousand, seventy".