64056765 has 16 divisors (see below), whose sum is σ = 108520128. Its totient is φ = 32153856.

The previous prime is 64056749. The next prime is 64056779. The reversal of 64056765 is 56765046.

It is not a de Polignac number, because 64056765 - 2⁴ = 64056749 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125347 + ... + 125856.

It is an arithmetic number, because the mean of its divisors is an integer number (6782508).

Almost surely, 2^64056765 is an apocalyptic number.

It is an amenable number.

64056765 is a deficient number, since it is larger than the sum of its proper divisors (44463363).

64056765 is a wasteful number, since it uses less digits than its factorization.

64056765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251228.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 64056765 is about 8003.5470261628. The cubic root of 64056765 is about 400.1182254701.

The spelling of 64056765 in words is "sixty-four million, fifty-six thousand, seven hundred sixty-five".