72464339 has 2 divisors, whose sum is σ = 72464340. Its totient is φ = 72464338.

The previous prime is 72464323. The next prime is 72464341. The reversal of 72464339 is 93346427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72464339 - 2⁴ = 72464323 is a prime.

Together with 72464341, 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 (72464039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36232169 + 36232170.

It is an arithmetic number, because the mean of its divisors is an integer number (36232170).

Almost surely, 2^72464339 is an apocalyptic number.

72464339 is a deficient number, since it is larger than the sum of its proper divisors (1).

72464339 is an equidigital number, since it uses as much as digits as its factorization.

72464339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The square root of 72464339 is about 8512.5988393674. The cubic root of 72464339 is about 416.9091674944.

The spelling of 72464339 in words is "seventy-two million, four hundred sixty-four thousand, three hundred thirty-nine".