64263368 has 16 divisors (see below), whose sum is σ = 129762780. Its totient is φ = 29659968.

The previous prime is 64263347. The next prime is 64263421. The reversal of 64263368 is 86336246.

It can be written as a sum of positive squares in 2 ways, for example, as 62125924 + 2137444 = 7882^2 + 1462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308855 + ... + 309062.

Almost surely, 2^64263368 is an apocalyptic number.

It is an amenable number.

64263368 is an abundant number, since it is smaller than the sum of its proper divisors (65499412).

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

64263368 is a wasteful number, since it uses less digits than its factorization.

64263368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617936 (or 617932 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 64263368 is about 8016.4436005002. The cubic root of 64263368 is about 400.5479324158.

The spelling of 64263368 in words is "sixty-four million, two hundred sixty-three thousand, three hundred sixty-eight".