64812068 has 24 divisors (see below), whose sum is σ = 118722240. Its totient is φ = 30900320.

The previous prime is 64812067. The next prime is 64812079. The reversal of 64812068 is 86021846.

It is not an unprimeable number, because it can be changed into a prime (64812067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34883 + ... + 36693.

It is an arithmetic number, because the mean of its divisors is an integer number (4946760).

Almost surely, 2^64812068 is an apocalyptic number.

It is an amenable number.

64812068 is a deficient number, since it is larger than the sum of its proper divisors (53910172).

64812068 is a wasteful number, since it uses less digits than its factorization.

64812068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 64812068 is about 8050.5942637795. The cubic root of 64812068 is about 401.6847028128.

The spelling of 64812068 in words is "sixty-four million, eight hundred twelve thousand, sixty-eight".