68926057 has 2 divisors, whose sum is σ = 68926058. Its totient is φ = 68926056.

The previous prime is 68926037. The next prime is 68926087. The reversal of 68926057 is 75062986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68624656 + 301401 = 8284^2 + 549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68926057 is a prime.

It is not a weakly prime, because it can be changed into another prime (68926027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34463028 + 34463029.

It is an arithmetic number, because the mean of its divisors is an integer number (34463029).

Almost surely, 2^68926057 is an apocalyptic number.

It is an amenable number.

68926057 is a deficient number, since it is larger than the sum of its proper divisors (1).

68926057 is an equidigital number, since it uses as much as digits as its factorization.

68926057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 68926057 is about 8302.1718242879. The cubic root of 68926057 is about 410.0100275160.

The spelling of 68926057 in words is "sixty-eight million, nine hundred twenty-six thousand, fifty-seven".