70064565 has 32 divisors (see below), whose sum is σ = 120735360. Its totient is φ = 34566144.

The previous prime is 70064549. The next prime is 70064573. The reversal of 70064565 is 56546007.

It is not a de Polignac number, because 70064565 - 2⁴ = 70064549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12717 + ... + 17373.

It is an arithmetic number, because the mean of its divisors is an integer number (3772980).

Almost surely, 2^70064565 is an apocalyptic number.

It is an amenable number.

70064565 is a deficient number, since it is larger than the sum of its proper divisors (50670795).

70064565 is a wasteful number, since it uses less digits than its factorization.

70064565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741.

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

The square root of 70064565 is about 8370.4578727809. The cubic root of 70064565 is about 412.2552009413.

The spelling of 70064565 in words is "seventy million, sixty-four thousand, five hundred sixty-five".