90232713 has 12 divisors (see below), whose sum is σ = 130923520. Its totient is φ = 59884056.

The previous prime is 90232697. The next prime is 90232733. The reversal of 90232713 is 31723209.

It is not a de Polignac number, because 90232713 - 2⁴ = 90232697 is a prime.

It is a super-3 number, since 3×90232713³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90232733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20473 + ... + 24486.

Almost surely, 2^90232713 is an apocalyptic number.

It is an amenable number.

90232713 is a deficient number, since it is larger than the sum of its proper divisors (40690807).

90232713 is a wasteful number, since it uses less digits than its factorization.

90232713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45188 (or 45185 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 90232713 is about 9499.0901143215. The cubic root of 90232713 is about 448.5263944974.

The spelling of 90232713 in words is "ninety million, two hundred thirty-two thousand, seven hundred thirteen".