72576571 has 2 divisors, whose sum is σ = 72576572. Its totient is φ = 72576570.

The previous prime is 72576551. The next prime is 72576577. The reversal of 72576571 is 17567527.

It is a strong prime.

It is an emirp because it is prime and its reverse (17567527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72576571 - 2⁷ = 72576443 is a prime.

It is not a weakly prime, because it can be changed into another prime (72576577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36288285 + 36288286.

It is an arithmetic number, because the mean of its divisors is an integer number (36288286).

Almost surely, 2^72576571 is an apocalyptic number.

72576571 is a deficient number, since it is larger than the sum of its proper divisors (1).

72576571 is an equidigital number, since it uses as much as digits as its factorization.

72576571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102900, while the sum is 40.

The square root of 72576571 is about 8519.1884003114. The cubic root of 72576571 is about 417.1242913050.

The spelling of 72576571 in words is "seventy-two million, five hundred seventy-six thousand, five hundred seventy-one".