68768764 has 6 divisors (see below), whose sum is σ = 120345344. Its totient is φ = 34384380.

The previous prime is 68768759. The next prime is 68768803. The reversal of 68768764 is 46786786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8596092 + ... + 8596099.

Almost surely, 2^68768764 is an apocalyptic number.

It is an amenable number.

68768764 is a deficient number, since it is larger than the sum of its proper divisors (51576580).

68768764 is a wasteful number, since it uses less digits than its factorization.

68768764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17192195 (or 17192193 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 68768764 is about 8292.6934104668. The cubic root of 68768764 is about 409.6979015934.

The spelling of 68768764 in words is "sixty-eight million, seven hundred sixty-eight thousand, seven hundred sixty-four".