68726764 has 6 divisors (see below), whose sum is σ = 120271844. Its totient is φ = 34363380.

The previous prime is 68726759. The next prime is 68726773. The reversal of 68726764 is 46762786.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8590842 + ... + 8590849.

Almost surely, 2^68726764 is an apocalyptic number.

It is an amenable number.

68726764 is a deficient number, since it is larger than the sum of its proper divisors (51545080).

68726764 is a wasteful number, since it uses less digits than its factorization.

68726764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17181695 (or 17181693 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 68726764 is about 8290.1606739556. The cubic root of 68726764 is about 409.6144779810.

The spelling of 68726764 in words is "sixty-eight million, seven hundred twenty-six thousand, seven hundred sixty-four".