68736704 has 28 divisors (see below), whose sum is σ = 139577064. Its totient is φ = 33567744.

The previous prime is 68736697. The next prime is 68736709. The reversal of 68736704 is 40763786.

It is not an unprimeable number, because it can be changed into a prime (68736709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9737 + ... + 15240.

Almost surely, 2^68736704 is an apocalyptic number.

68736704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68736704 is an abundant number, since it is smaller than the sum of its proper divisors (70840360).

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

68736704 is a wasteful number, since it uses less digits than its factorization.

68736704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25032 (or 25022 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 68736704 is about 8290.7601581520. The cubic root of 68736704 is about 409.6342246386.

The spelling of 68736704 in words is "sixty-eight million, seven hundred thirty-six thousand, seven hundred four".