68768272 has 20 divisors (see below), whose sum is σ = 133702380. Its totient is φ = 34264448.

The previous prime is 68768243. The next prime is 68768303. The reversal of 68768272 is 27286786.

It can be written as a sum of positive squares in 2 ways, for example, as 56490256 + 12278016 = 7516^2 + 3504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2647 + ... + 12022.

It is an arithmetic number, because the mean of its divisors is an integer number (6685119).

Almost surely, 2^68768272 is an apocalyptic number.

It is an amenable number.

68768272 is a deficient number, since it is larger than the sum of its proper divisors (64934108).

68768272 is a wasteful number, since it uses less digits than its factorization.

68768272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14970 (or 14964 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 68768272 is about 8292.6637457454. The cubic root of 68768272 is about 409.6969245420.

The spelling of 68768272 in words is "sixty-eight million, seven hundred sixty-eight thousand, two hundred seventy-two".