72608507 has 2 divisors, whose sum is σ = 72608508. Its totient is φ = 72608506.

The previous prime is 72608449. The next prime is 72608509. The reversal of 72608507 is 70580627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72608507 - 2¹⁴ = 72592123 is a prime.

Together with 72608509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72608509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36304253 + 36304254.

It is an arithmetic number, because the mean of its divisors is an integer number (36304254).

Almost surely, 2^72608507 is an apocalyptic number.

72608507 is a deficient number, since it is larger than the sum of its proper divisors (1).

72608507 is an equidigital number, since it uses as much as digits as its factorization.

72608507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 72608507 is about 8521.0625511142. The cubic root of 72608507 is about 417.1854649856.

The spelling of 72608507 in words is "seventy-two million, six hundred eight thousand, five hundred seven".