90329732 has 12 divisors (see below), whose sum is σ = 158145036. Its totient is φ = 45145440.

The previous prime is 90329719. The next prime is 90329747. The reversal of 90329732 is 23792309.

It can be written as a sum of positive squares in 2 ways, for example, as 72148036 + 18181696 = 8494^2 + 4264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90329692 and 90329701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12482 + ... + 18342.

It is an arithmetic number, because the mean of its divisors is an integer number (13178753).

Almost surely, 2^90329732 is an apocalyptic number.

It is an amenable number.

90329732 is a deficient number, since it is larger than the sum of its proper divisors (67815304).

90329732 is a wasteful number, since it uses less digits than its factorization.

90329732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9718 (or 9716 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 90329732 is about 9504.1954946224. The cubic root of 90329732 is about 448.6870900811.

The spelling of 90329732 in words is "ninety million, three hundred twenty-nine thousand, seven hundred thirty-two".