64710825 has 12 divisors (see below), whose sum is σ = 106988688. Its totient is φ = 34512400.

The previous prime is 64710791. The next prime is 64710851. The reversal of 64710825 is 52801746.

It is not a de Polignac number, because 64710825 - 2¹⁵ = 64678057 is a prime.

It is a super-3 number, since 3×64710825³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431331 + ... + 431480.

It is an arithmetic number, because the mean of its divisors is an integer number (8915724).

Almost surely, 2^64710825 is an apocalyptic number.

It is an amenable number.

64710825 is a deficient number, since it is larger than the sum of its proper divisors (42277863).

64710825 is a wasteful number, since it uses less digits than its factorization.

64710825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862824 (or 862819 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 64710825 is about 8044.3038853589. The cubic root of 64710825 is about 401.4754364435.

The spelling of 64710825 in words is "sixty-four million, seven hundred ten thousand, eight hundred twenty-five".