68253264 has 30 divisors (see below), whose sum is σ = 191014746. Its totient is φ = 22751040.

The previous prime is 68253253. The next prime is 68253287. The reversal of 68253264 is 46235286.

68253264 is a `hidden beast` number, since 68 + 2 + 532 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58064400 + 10188864 = 7620^2 + 3192^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236847 + ... + 237134.

Almost surely, 2^68253264 is an apocalyptic number.

It is an amenable number.

68253264 is an abundant number, since it is smaller than the sum of its proper divisors (122761482).

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

68253264 is a wasteful number, since it uses less digits than its factorization.

68253264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473995 (or 473986 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 68253264 is about 8261.5533648340. The cubic root of 68253264 is about 408.6716158649.

The spelling of 68253264 in words is "sixty-eight million, two hundred fifty-three thousand, two hundred sixty-four".