68272456 has 32 divisors (see below), whose sum is σ = 146600640. Its totient is φ = 29199168.

The previous prime is 68272423. The next prime is 68272471. The reversal of 68272456 is 65427286.

It is a super-2 number, since 2×68272456² = 9322256496543872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35635 + ... + 37501.

It is an arithmetic number, because the mean of its divisors is an integer number (4581270).

Almost surely, 2^68272456 is an apocalyptic number.

It is an amenable number.

68272456 is an abundant number, since it is smaller than the sum of its proper divisors (78328184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68272456 is a wasteful number, since it uses less digits than its factorization.

68272456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2529 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 68272456 is about 8262.7148081003. The cubic root of 68272456 is about 408.7099167957.

The spelling of 68272456 in words is "sixty-eight million, two hundred seventy-two thousand, four hundred fifty-six".