64791125 has 16 divisors (see below), whose sum is σ = 92411904. Its totient is φ = 44427600.

The previous prime is 64791109. The next prime is 64791127. The reversal of 64791125 is 52119746.

It is not a de Polignac number, because 64791125 - 2⁴ = 64791109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64791127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36149 + ... + 37898.

It is an arithmetic number, because the mean of its divisors is an integer number (5775744).

Almost surely, 2^64791125 is an apocalyptic number.

It is an amenable number.

64791125 is a deficient number, since it is larger than the sum of its proper divisors (27620779).

64791125 is an equidigital number, since it uses as much as digits as its factorization.

64791125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74069 (or 74059 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 64791125 is about 8049.2934472536. The cubic root of 64791125 is about 401.6414321213.

The spelling of 64791125 in words is "sixty-four million, seven hundred ninety-one thousand, one hundred twenty-five".