68107457 has 32 divisors (see below), whose sum is σ = 85795200. Its totient is φ = 53222400.

The previous prime is 68107447. The next prime is 68107469. The reversal of 68107457 is 75470186.

It is not a de Polignac number, because 68107457 - 2¹² = 68103361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68107457.

It is not an unprimeable number, because it can be changed into a prime (68107447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102707 + ... + 103367.

It is an arithmetic number, because the mean of its divisors is an integer number (2681100).

Almost surely, 2^68107457 is an apocalyptic number.

It is an amenable number.

68107457 is a deficient number, since it is larger than the sum of its proper divisors (17687743).

68107457 is a wasteful number, since it uses less digits than its factorization.

68107457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 68107457 is about 8252.7242168874. The cubic root of 68107457 is about 408.3803982217.

The spelling of 68107457 in words is "sixty-eight million, one hundred seven thousand, four hundred fifty-seven".