64527976 has 16 divisors (see below), whose sum is σ = 121407300. Its totient is φ = 32152704.

The previous prime is 64527923. The next prime is 64527979. The reversal of 64527976 is 67972546.

It can be written as a sum of positive squares in 2 ways, for example, as 61999876 + 2528100 = 7874^2 + 1590^2 .

It is not an unprimeable number, because it can be changed into a prime (64527979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11421 + ... + 16108.

Almost surely, 2^64527976 is an apocalyptic number.

It is an amenable number.

64527976 is a deficient number, since it is larger than the sum of its proper divisors (56879324).

64527976 is a wasteful number, since it uses less digits than its factorization.

64527976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27828 (or 27824 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 64527976 is about 8032.9307229678. The cubic root of 64527976 is about 401.0969390619.

The spelling of 64527976 in words is "sixty-four million, five hundred twenty-seven thousand, nine hundred seventy-six".