64525072 has 20 divisors (see below), whose sum is σ = 125523216. Its totient is φ = 32132000.

The previous prime is 64525063. The next prime is 64525073. The reversal of 64525072 is 27052546.

It is not an unprimeable number, because it can be changed into a prime (64525073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4018 + ... + 12049.

Almost surely, 2^64525072 is an apocalyptic number.

It is an amenable number.

64525072 is a deficient number, since it is larger than the sum of its proper divisors (60998144).

64525072 is a wasteful number, since it uses less digits than its factorization.

64525072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16326 (or 16320 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 64525072 is about 8032.7499649871. The cubic root of 64525072 is about 401.0909220180.

The spelling of 64525072 in words is "sixty-four million, five hundred twenty-five thousand, seventy-two".