79332749 has 2 divisors, whose sum is σ = 79332750. Its totient is φ = 79332748.

The previous prime is 79332739. The next prime is 79332767. The reversal of 79332749 is 94723397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46922500 + 32410249 = 6850^2 + 5693^2 .

It is a cyclic number.

It is not a de Polignac number, because 79332749 - 2¹² = 79328653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79332739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39666374 + 39666375.

It is an arithmetic number, because the mean of its divisors is an integer number (39666375).

Almost surely, 2^79332749 is an apocalyptic number.

It is an amenable number.

79332749 is a deficient number, since it is larger than the sum of its proper divisors (1).

79332749 is an equidigital number, since it uses as much as digits as its factorization.

79332749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 44.

The square root of 79332749 is about 8906.8933416764. The cubic root of 79332749 is about 429.6856346603.

The spelling of 79332749 in words is "seventy-nine million, three hundred thirty-two thousand, seven hundred forty-nine".