72437713 has 2 divisors, whose sum is σ = 72437714. Its totient is φ = 72437712.

The previous prime is 72437657. The next prime is 72437779. The reversal of 72437713 is 31773427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58247424 + 14190289 = 7632^2 + 3767^2 .

It is a cyclic number.

It is not a de Polignac number, because 72437713 - 2²⁵ = 38883281 is a prime.

It is not a weakly prime, because it can be changed into another prime (72437213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36218856 + 36218857.

It is an arithmetic number, because the mean of its divisors is an integer number (36218857).

Almost surely, 2^72437713 is an apocalyptic number.

It is an amenable number.

72437713 is a deficient number, since it is larger than the sum of its proper divisors (1).

72437713 is an equidigital number, since it uses as much as digits as its factorization.

72437713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 34.

The square root of 72437713 is about 8511.0347784509. The cubic root of 72437713 is about 416.8580987733.

The spelling of 72437713 in words is "seventy-two million, four hundred thirty-seven thousand, seven hundred thirteen".