68320292 has 12 divisors (see below), whose sum is σ = 122341296. Its totient is φ = 33365640.

The previous prime is 68320283. The next prime is 68320303. The reversal of 68320292 is 29202386.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 198434 + ... + 198777.

It is an arithmetic number, because the mean of its divisors is an integer number (10195108).

Almost surely, 2^68320292 is an apocalyptic number.

It is an amenable number.

68320292 is a deficient number, since it is larger than the sum of its proper divisors (54021004).

68320292 is a wasteful number, since it uses less digits than its factorization.

68320292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397258 (or 397256 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 68320292 is about 8265.6089914779. The cubic root of 68320292 is about 408.8053505146.

The spelling of 68320292 in words is "sixty-eight million, three hundred twenty thousand, two hundred ninety-two".