79224529 has 2 divisors, whose sum is σ = 79224530. Its totient is φ = 79224528.

The previous prime is 79224521. The next prime is 79224553. The reversal of 79224529 is 92542297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76737600 + 2486929 = 8760^2 + 1577^2 .

It is an emirp because it is prime and its reverse (92542297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79224529 - 2³ = 79224521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79224491 and 79224500.

It is not a weakly prime, because it can be changed into another prime (79224521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39612264 + 39612265.

It is an arithmetic number, because the mean of its divisors is an integer number (39612265).

Almost surely, 2^79224529 is an apocalyptic number.

It is an amenable number.

79224529 is a deficient number, since it is larger than the sum of its proper divisors (1).

79224529 is an equidigital number, since it uses as much as digits as its factorization.

79224529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 79224529 is about 8900.8161985292. The cubic root of 79224529 is about 429.4901637262.

The spelling of 79224529 in words is "seventy-nine million, two hundred twenty-four thousand, five hundred twenty-nine".