72566411 has 2 divisors, whose sum is σ = 72566412. Its totient is φ = 72566410.

The previous prime is 72566399. The next prime is 72566447. The reversal of 72566411 is 11466527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72566411 - 2²⁶ = 5457547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72562411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36283205 + 36283206.

It is an arithmetic number, because the mean of its divisors is an integer number (36283206).

Almost surely, 2^72566411 is an apocalyptic number.

72566411 is a deficient number, since it is larger than the sum of its proper divisors (1).

72566411 is an equidigital number, since it uses as much as digits as its factorization.

72566411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 72566411 is about 8518.5920785069. The cubic root of 72566411 is about 417.1048259757.

The spelling of 72566411 in words is "seventy-two million, five hundred sixty-six thousand, four hundred eleven".