68410957 has 2 divisors, whose sum is σ = 68410958. Its totient is φ = 68410956.

The previous prime is 68410943. The next prime is 68410961. The reversal of 68410957 is 75901486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68376361 + 34596 = 8269^2 + 186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68410957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68410357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34205478 + 34205479.

It is an arithmetic number, because the mean of its divisors is an integer number (34205479).

Almost surely, 2^68410957 is an apocalyptic number.

It is an amenable number.

68410957 is a deficient number, since it is larger than the sum of its proper divisors (1).

68410957 is an equidigital number, since it uses as much as digits as its factorization.

68410957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 68410957 is about 8271.0916450007. The cubic root of 68410957 is about 408.9861067369.

The spelling of 68410957 in words is "sixty-eight million, four hundred ten thousand, nine hundred fifty-seven".