90032613 has 8 divisors (see below), whose sum is σ = 130956576. Its totient is φ = 54565200.

The previous prime is 90032611. The next prime is 90032623. The reversal of 90032613 is 31623009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90032613 - 2¹ = 90032611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90032611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364098 + ... + 1364163.

It is an arithmetic number, because the mean of its divisors is an integer number (16369572).

Almost surely, 2^90032613 is an apocalyptic number.

It is an amenable number.

90032613 is a deficient number, since it is larger than the sum of its proper divisors (40923963).

90032613 is a wasteful number, since it uses less digits than its factorization.

90032613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728275.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 90032613 is about 9488.5516808415. The cubic root of 90032613 is about 448.1945985087.

The spelling of 90032613 in words is "ninety million, thirty-two thousand, six hundred thirteen".