79068637 has 2 divisors, whose sum is σ = 79068638. Its totient is φ = 79068636.

The previous prime is 79068611. The next prime is 79068659. The reversal of 79068637 is 73686097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78481881 + 586756 = 8859^2 + 766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79068637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79068697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39534318 + 39534319.

It is an arithmetic number, because the mean of its divisors is an integer number (39534319).

Almost surely, 2^79068637 is an apocalyptic number.

It is an amenable number.

79068637 is a deficient number, since it is larger than the sum of its proper divisors (1).

79068637 is an equidigital number, since it uses as much as digits as its factorization.

79068637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 79068637 is about 8892.0547119324. The cubic root of 79068637 is about 429.2082727292.

The spelling of 79068637 in words is "seventy-nine million, sixty-eight thousand, six hundred thirty-seven".