64525750 has 32 divisors (see below), whose sum is σ = 121492800. Its totient is φ = 25660800.

The previous prime is 64525733. The next prime is 64525771. The reversal of 64525750 is 5752546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49102 + ... + 50398.

It is an arithmetic number, because the mean of its divisors is an integer number (3796650).

Almost surely, 2^64525750 is an apocalyptic number.

64525750 is a deficient number, since it is larger than the sum of its proper divisors (56967050).

64525750 is a wasteful number, since it uses less digits than its factorization.

64525750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 64525750 is about 8032.7921671110. The cubic root of 64525750 is about 401.0923268399.

The spelling of 64525750 in words is "sixty-four million, five hundred twenty-five thousand, seven hundred fifty".