72316753 has 2 divisors, whose sum is σ = 72316754. Its totient is φ = 72316752.

The previous prime is 72316733. The next prime is 72316763. The reversal of 72316753 is 35761327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70761744 + 1555009 = 8412^2 + 1247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72316753 is a prime.

It is not a weakly prime, because it can be changed into another prime (72316733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36158376 + 36158377.

It is an arithmetic number, because the mean of its divisors is an integer number (36158377).

Almost surely, 2^72316753 is an apocalyptic number.

It is an amenable number.

72316753 is a deficient number, since it is larger than the sum of its proper divisors (1).

72316753 is an equidigital number, since it uses as much as digits as its factorization.

72316753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 34.

The square root of 72316753 is about 8503.9257405036. The cubic root of 72316753 is about 416.6259395570.

The spelling of 72316753 in words is "seventy-two million, three hundred sixteen thousand, seven hundred fifty-three".