64460975 has 12 divisors (see below), whose sum is σ = 80031336. Its totient is φ = 51504480.

The previous prime is 64460941. The next prime is 64460987. The reversal of 64460975 is 57906446.

It is not a de Polignac number, because 64460975 - 2¹⁸ = 64198831 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 37229 + ... + 38921.

It is an arithmetic number, because the mean of its divisors is an integer number (6669278).

Almost surely, 2^64460975 is an apocalyptic number.

64460975 is a deficient number, since it is larger than the sum of its proper divisors (15570361).

64460975 is a wasteful number, since it uses less digits than its factorization.

64460975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226 (or 3221 counting only the distinct ones).

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

The square root of 64460975 is about 8028.7592441174. The cubic root of 64460975 is about 400.9580680154.

The spelling of 64460975 in words is "sixty-four million, four hundred sixty thousand, nine hundred seventy-five".