68972608 has 14 divisors (see below), whose sum is σ = 136867646. Its totient is φ = 34486272.

The previous prime is 68972569. The next prime is 68972623. The reversal of 68972608 is 80627986.

It can be written as a sum of positive squares in only one way, i.e., 56070144 + 12902464 = 7488^2 + 3592^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538785 + ... + 538912.

Almost surely, 2^68972608 is an apocalyptic number.

It is an amenable number.

68972608 is a deficient number, since it is larger than the sum of its proper divisors (67895038).

68972608 is a wasteful number, since it uses less digits than its factorization.

68972608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077709 (or 1077699 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 68972608 is about 8304.9748946038. The cubic root of 68972608 is about 410.1023103788.

The spelling of 68972608 in words is "sixty-eight million, nine hundred seventy-two thousand, six hundred eight".