89450725 has 72 divisors (see below), whose sum is σ = 143381448. Its totient is φ = 54835200.

The previous prime is 89450693. The next prime is 89450731. The reversal of 89450725 is 52705498.

It can be written as a sum of positive squares in 12 ways, for example, as 60699681 + 28751044 = 7791^2 + 5362^2 .

It is not a de Polignac number, because 89450725 - 2⁵ = 89450693 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 652857 + ... + 652993.

It is an arithmetic number, because the mean of its divisors is an integer number (1991409).

Almost surely, 2^89450725 is an apocalyptic number.

It is an amenable number.

89450725 is a deficient number, since it is larger than the sum of its proper divisors (53930723).

89450725 is a wasteful number, since it uses less digits than its factorization.

89450725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 89450725 is about 9457.8393409912. The cubic root of 89450725 is about 447.2269382685.

The spelling of 89450725 in words is "eighty-nine million, four hundred fifty thousand, seven hundred twenty-five".