64876968 has 48 divisors (see below), whose sum is σ = 189227220. Its totient is φ = 19961856.

The previous prime is 64876961. The next prime is 64876969. The reversal of 64876968 is 86967846.

It can be written as a sum of positive squares in 2 ways, for example, as 63393444 + 1483524 = 7962^2 + 1218^2 .

It is a super-3 number, since 3×64876968³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (64876961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33721 + ... + 35592.

Almost surely, 2^64876968 is an apocalyptic number.

It is an amenable number.

64876968 is an abundant number, since it is smaller than the sum of its proper divisors (124350252).

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

64876968 is a wasteful number, since it uses less digits than its factorization.

64876968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69338 (or 69331 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 64876968 is about 8054.6240135713. The cubic root of 64876968 is about 401.8187346441.

The spelling of 64876968 in words is "sixty-four million, eight hundred seventy-six thousand, nine hundred sixty-eight".