89725020 has 96 divisors (see below), whose sum is σ = 313238016. Its totient is φ = 18643200.

The previous prime is 89725019. The next prime is 89725039. The reversal of 89725020 is 2052798.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5091 + ... + 14330.

It is an arithmetic number, because the mean of its divisors is an integer number (3262896).

Almost surely, 2^89725020 is an apocalyptic number.

It is an amenable number.

89725020 is an abundant number, since it is smaller than the sum of its proper divisors (223512996).

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

89725020 is a wasteful number, since it uses less digits than its factorization.

89725020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19451 (or 19449 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 89725020 is about 9472.3291750234. The cubic root of 89725020 is about 447.6836028640.

The spelling of 89725020 in words is "eighty-nine million, seven hundred twenty-five thousand, twenty".