79427633 has 2 divisors, whose sum is σ = 79427634. Its totient is φ = 79427632.

The previous prime is 79427609. The next prime is 79427639. The reversal of 79427633 is 33672497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74356129 + 5071504 = 8623^2 + 2252^2 .

It is an emirp because it is prime and its reverse (33672497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79427633 - 2⁸ = 79427377 is a prime.

It is not a weakly prime, because it can be changed into another prime (79427639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39713816 + 39713817.

It is an arithmetic number, because the mean of its divisors is an integer number (39713817).

Almost surely, 2^79427633 is an apocalyptic number.

It is an amenable number.

79427633 is a deficient number, since it is larger than the sum of its proper divisors (1).

79427633 is an equidigital number, since it uses as much as digits as its factorization.

79427633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 41.

The square root of 79427633 is about 8912.2181862879. The cubic root of 79427633 is about 429.8568714193.

The spelling of 79427633 in words is "seventy-nine million, four hundred twenty-seven thousand, six hundred thirty-three".