89790732 has 72 divisors (see below), whose sum is σ = 240327360. Its totient is φ = 28188000.

The previous prime is 89790731. The next prime is 89790733. The reversal of 89790732 is 23709798.

It is an interprime number because it is at equal distance from previous prime (89790731) and next prime (89790733).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89790731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171423 + ... + 171945.

It is an arithmetic number, because the mean of its divisors is an integer number (3337880).

Almost surely, 2^89790732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89790732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120163680).

89790732 is an abundant number, since it is smaller than the sum of its proper divisors (150536628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89790732 is a wasteful number, since it uses less digits than its factorization.

89790732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 89790732 is about 9475.7971696317. The cubic root of 89790732 is about 447.7928663528.

The spelling of 89790732 in words is "eighty-nine million, seven hundred ninety thousand, seven hundred thirty-two".