72258713 has 2 divisors, whose sum is σ = 72258714. Its totient is φ = 72258712.

The previous prime is 72258701. The next prime is 72258731. The reversal of 72258713 is 31785227.

Together with next prime (72258731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69689104 + 2569609 = 8348^2 + 1603^2 .

It is an emirp because it is prime and its reverse (31785227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72258713 - 2⁶ = 72258649 is a prime.

It is not a weakly prime, because it can be changed into another prime (72258773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36129356 + 36129357.

It is an arithmetic number, because the mean of its divisors is an integer number (36129357).

Almost surely, 2^72258713 is an apocalyptic number.

It is an amenable number.

72258713 is a deficient number, since it is larger than the sum of its proper divisors (1).

72258713 is an equidigital number, since it uses as much as digits as its factorization.

72258713 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 72258713 is about 8500.5125139606. The cubic root of 72258713 is about 416.5144511376.

The spelling of 72258713 in words is "seventy-two million, two hundred fifty-eight thousand, seven hundred thirteen".