72824579 has 2 divisors, whose sum is σ = 72824580. Its totient is φ = 72824578.

The previous prime is 72824567. The next prime is 72824627. The reversal of 72824579 is 97542827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72824579 - 2²⁴ = 56047363 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72844579) 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, 36412289 + 36412290.

It is an arithmetic number, because the mean of its divisors is an integer number (36412290).

Almost surely, 2^72824579 is an apocalyptic number.

72824579 is a deficient number, since it is larger than the sum of its proper divisors (1).

72824579 is an equidigital number, since it uses as much as digits as its factorization.

72824579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The square root of 72824579 is about 8533.7318331431. The cubic root of 72824579 is about 417.5988822402.

The spelling of 72824579 in words is "seventy-two million, eight hundred twenty-four thousand, five hundred seventy-nine".