79306693 has 2 divisors, whose sum is σ = 79306694. Its totient is φ = 79306692.

The previous prime is 79306681. The next prime is 79306699. The reversal of 79306693 is 39660397.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53479969 + 25826724 = 7313^2 + 5082^2 .

It is a cyclic number.

It is not a de Polignac number, because 79306693 - 2⁹ = 79306181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79306699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39653346 + 39653347.

It is an arithmetic number, because the mean of its divisors is an integer number (39653347).

Almost surely, 2^79306693 is an apocalyptic number.

It is an amenable number.

79306693 is a deficient number, since it is larger than the sum of its proper divisors (1).

79306693 is an equidigital number, since it uses as much as digits as its factorization.

79306693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 43.

The square root of 79306693 is about 8905.4305342302. The cubic root of 79306693 is about 429.6385876128.

The spelling of 79306693 in words is "seventy-nine million, three hundred six thousand, six hundred ninety-three".