89475720 has 32 divisors (see below), whose sum is σ = 268427520. Its totient is φ = 23860160.

The previous prime is 89475719. The next prime is 89475779. The reversal of 89475720 is 2757498.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 372696 + ... + 372935.

It is an arithmetic number, because the mean of its divisors is an integer number (8388360).

Almost surely, 2^89475720 is an apocalyptic number.

It is an amenable number.

89475720 is an abundant number, since it is smaller than the sum of its proper divisors (178951800).

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

89475720 is a wasteful number, since it uses less digits than its factorization.

89475720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745645 (or 745641 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 89475720 is about 9459.1606392956. The cubic root of 89475720 is about 447.2685902369.

The spelling of 89475720 in words is "eighty-nine million, four hundred seventy-five thousand, seven hundred twenty".