90572365 has 16 divisors (see below), whose sum is σ = 121086000. Its totient is φ = 64576512.

The previous prime is 90572327. The next prime is 90572369. The reversal of 90572365 is 56327509.

It can be written as a sum of positive squares in 8 ways, for example, as 21399876 + 69172489 = 4626^2 + 8317^2 .

It is not a de Polignac number, because 90572365 - 2⁹ = 90571853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90572369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22140 + ... + 25909.

It is an arithmetic number, because the mean of its divisors is an integer number (7567875).

Almost surely, 2^90572365 is an apocalyptic number.

It is an amenable number.

90572365 is a deficient number, since it is larger than the sum of its proper divisors (30513635).

90572365 is a wasteful number, since it uses less digits than its factorization.

90572365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48096.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 90572365 is about 9516.9514551667. The cubic root of 90572365 is about 449.0884675787.

The spelling of 90572365 in words is "ninety million, five hundred seventy-two thousand, three hundred sixty-five".