89725 has 12 divisors (see below), whose sum is σ = 115444. Its totient is φ = 69120.

The previous prime is 89689. The next prime is 89753. The reversal of 89725 is 52798.

It can be written as a sum of positive squares in 6 ways, for example, as 324 + 89401 = 18^2 + 299^2 .

It is not a de Polignac number, because 89725 - 2⁷ = 89597 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

Its product of digits (5040) is a multiple of the sum of its prime factors (144).

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 877 + ... + 973.

2⁸⁹⁷²⁵ is an apocalyptic number.

It is an amenable number.

89725 is a deficient number, since it is larger than the sum of its proper divisors (25719).

89725 is a wasteful number, since it uses less digits than its factorization.

89725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 139 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 89725 is about 299.5413160150. The cubic root of 89725 is about 44.7683569601.

The spelling of 89725 in words is "eighty-nine thousand, seven hundred twenty-five".