64375662 has 16 divisors (see below), whose sum is σ = 138655440. Its totient is φ = 19807872.

The previous prime is 64375657. The next prime is 64375669. The reversal of 64375662 is 26657346.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 64375662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64375669) 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, 412587 + ... + 412742.

It is an arithmetic number, because the mean of its divisors is an integer number (8665965).

Almost surely, 2^64375662 is an apocalyptic number.

64375662 is an abundant number, since it is smaller than the sum of its proper divisors (74279778).

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

64375662 is a wasteful number, since it uses less digits than its factorization.

64375662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825347.

The product of its digits is 181440, while the sum is 39.

The square root of 64375662 is about 8023.4445221488. Note that the first 3 decimals coincide. The cubic root of 64375662 is about 400.7811028696.

The spelling of 64375662 in words is "sixty-four million, three hundred seventy-five thousand, six hundred sixty-two".