64745960 has 32 divisors (see below), whose sum is σ = 149070240. Its totient is φ = 25295424.

The previous prime is 64745957. The next prime is 64745971. The reversal of 64745960 is 6954746.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17102 + ... + 20541.

It is an arithmetic number, because the mean of its divisors is an integer number (4658445).

Almost surely, 2^64745960 is an apocalyptic number.

It is an amenable number.

64745960 is an abundant number, since it is smaller than the sum of its proper divisors (84324280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64745960 is a wasteful number, since it uses less digits than its factorization.

64745960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37697 (or 37693 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 64745960 is about 8046.4874324142. The cubic root of 64745960 is about 401.5480841923.

The spelling of 64745960 in words is "sixty-four million, seven hundred forty-five thousand, nine hundred sixty".