72285713 has 2 divisors, whose sum is σ = 72285714. Its totient is φ = 72285712.

The previous prime is 72285691. The next prime is 72285767. The reversal of 72285713 is 31758227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68095504 + 4190209 = 8252^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 72285713 - 2²⁶ = 5176849 is a prime.

It is not a weakly prime, because it can be changed into another prime (72284713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36142856 + 36142857.

It is an arithmetic number, because the mean of its divisors is an integer number (36142857).

Almost surely, 2^72285713 is an apocalyptic number.

It is an amenable number.

72285713 is a deficient number, since it is larger than the sum of its proper divisors (1).

72285713 is an equidigital number, since it uses as much as digits as its factorization.

72285713 is an evil number, because the sum of its binary digits is even.

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

The square root of 72285713 is about 8502.1005051693. The cubic root of 72285713 is about 416.5663225743.

The spelling of 72285713 in words is "seventy-two million, two hundred eighty-five thousand, seven hundred thirteen".