89742232 has 16 divisors (see below), whose sum is σ = 168425640. Its totient is φ = 44828736.

The previous prime is 89742221. The next prime is 89742259. The reversal of 89742232 is 23224798.

It is a junction number, because it is equal to n+sod(n) for n = 89742191 and 89742200.

It is a congruent number.

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, 4843 + ... + 14245.

Almost surely, 2^89742232 is an apocalyptic number.

It is an amenable number.

89742232 is a deficient number, since it is larger than the sum of its proper divisors (78683408).

89742232 is a wasteful number, since it uses less digits than its factorization.

89742232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10602 (or 10598 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 89742232 is about 9473.2376725172. The cubic root of 89742232 is about 447.7122274978.

The spelling of 89742232 in words is "eighty-nine million, seven hundred forty-two thousand, two hundred thirty-two".