68667296 has 12 divisors (see below), whose sum is σ = 135188802. Its totient is φ = 34333632.

The previous prime is 68667289. The next prime is 68667299. The reversal of 68667296 is 69276686.

It can be written as a sum of positive squares in only one way, i.e., 66650896 + 2016400 = 8164^2 + 1420^2 .

It is not an unprimeable number, because it can be changed into a prime (68667299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072895 + ... + 1072958.

Almost surely, 2^68667296 is an apocalyptic number.

It is an amenable number.

68667296 is a deficient number, since it is larger than the sum of its proper divisors (66521506).

68667296 is a wasteful number, since it uses less digits than its factorization.

68667296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145863 (or 2145855 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 68667296 is about 8286.5732362660. The cubic root of 68667296 is about 409.4962999403.

The spelling of 68667296 in words is "sixty-eight million, six hundred sixty-seven thousand, two hundred ninety-six".