64700625 has 40 divisors (see below), whose sum is σ = 117637344. Its totient is φ = 31360000.

The previous prime is 64700569. The next prime is 64700641. The reversal of 64700625 is 52600746.

64700625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64700625 - 2⁶ = 64700561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64700592 and 64700601.

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 39 ways as a sum of consecutive naturals, for example, 19057 + ... + 22193.

Almost surely, 2^64700625 is an apocalyptic number.

It is an amenable number.

64700625 is a deficient number, since it is larger than the sum of its proper divisors (52936719).

64700625 is a wasteful number, since it uses less digits than its factorization.

64700625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171 (or 3156 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 64700625 is about 8043.6698713958. The cubic root of 64700625 is about 401.4543412371.

The spelling of 64700625 in words is "sixty-four million, seven hundred thousand, six hundred twenty-five".