90572723 has 2 divisors, whose sum is σ = 90572724. Its totient is φ = 90572722.

The previous prime is 90572701. The next prime is 90572737. The reversal of 90572723 is 32727509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90572723 - 2¹⁶ = 90507187 is a prime.

It is not a weakly prime, because it can be changed into another prime (90572323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45286361 + 45286362.

It is an arithmetic number, because the mean of its divisors is an integer number (45286362).

Almost surely, 2^90572723 is an apocalyptic number.

90572723 is a deficient number, since it is larger than the sum of its proper divisors (1).

90572723 is an equidigital number, since it uses as much as digits as its factorization.

90572723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 90572723 is about 9516.9702636921. The cubic root of 90572723 is about 449.0890592730.

The spelling of 90572723 in words is "ninety million, five hundred seventy-two thousand, seven hundred twenty-three".