72590911 has 2 divisors, whose sum is σ = 72590912. Its totient is φ = 72590910.

The previous prime is 72590851. The next prime is 72590927. The reversal of 72590911 is 11909527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72590911 - 2¹¹ = 72588863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72590611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36295455 + 36295456.

It is an arithmetic number, because the mean of its divisors is an integer number (36295456).

Almost surely, 2^72590911 is an apocalyptic number.

72590911 is a deficient number, since it is larger than the sum of its proper divisors (1).

72590911 is an equidigital number, since it uses as much as digits as its factorization.

72590911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 72590911 is about 8520.0299882101. The cubic root of 72590911 is about 417.1517619168.

The spelling of 72590911 in words is "seventy-two million, five hundred ninety thousand, nine hundred eleven".