89742233 has 8 divisors (see below), whose sum is σ = 102622080. Its totient is φ = 76877280.

The previous prime is 89742221. The next prime is 89742259. The reversal of 89742233 is 33224798.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89742233 - 2⁴ = 89742217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89742203) 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, 16613 + ... + 21341.

It is an arithmetic number, because the mean of its divisors is an integer number (12827760).

Almost surely, 2^89742233 is an apocalyptic number.

It is an amenable number.

89742233 is a deficient number, since it is larger than the sum of its proper divisors (12879847).

89742233 is a wasteful number, since it uses less digits than its factorization.

89742233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447.

The product of its digits is 72576, while the sum is 38.

The square root of 89742233 is about 9473.2377252975. The cubic root of 89742233 is about 447.7122291607.

The spelling of 89742233 in words is "eighty-nine million, seven hundred forty-two thousand, two hundred thirty-three".