72613259 has 2 divisors, whose sum is σ = 72613260. Its totient is φ = 72613258.

The previous prime is 72613223. The next prime is 72613267. The reversal of 72613259 is 95231627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72613259 - 2²⁰ = 71564683 is a prime.

It is not a weakly prime, because it can be changed into another prime (72613559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36306629 + 36306630.

It is an arithmetic number, because the mean of its divisors is an integer number (36306630).

Almost surely, 2^72613259 is an apocalyptic number.

72613259 is a deficient number, since it is larger than the sum of its proper divisors (1).

72613259 is an equidigital number, since it uses as much as digits as its factorization.

72613259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 72613259 is about 8521.3413850168. The cubic root of 72613259 is about 417.1945659490.

The spelling of 72613259 in words is "seventy-two million, six hundred thirteen thousand, two hundred fifty-nine".