79305949 has 2 divisors, whose sum is σ = 79305950. Its totient is φ = 79305948.

The previous prime is 79305929. The next prime is 79305953. The reversal of 79305949 is 94950397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78889924 + 416025 = 8882^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 79305949 - 2¹⁷ = 79174877 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 79305899 and 79305908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79305929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39652974 + 39652975.

It is an arithmetic number, because the mean of its divisors is an integer number (39652975).

Almost surely, 2^79305949 is an apocalyptic number.

It is an amenable number.

79305949 is a deficient number, since it is larger than the sum of its proper divisors (1).

79305949 is an equidigital number, since it uses as much as digits as its factorization.

79305949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 79305949 is about 8905.3887618677. The cubic root of 79305949 is about 429.6372440855.

The spelling of 79305949 in words is "seventy-nine million, three hundred five thousand, nine hundred forty-nine".