89724375 has 80 divisors (see below), whose sum is σ = 179317600. Its totient is φ = 44064000.

The previous prime is 89724367. The next prime is 89724379. The reversal of 89724375 is 57342798.

It is not a de Polignac number, because 89724375 - 2³ = 89724367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 89724375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89724379) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 219171 + ... + 219579.

It is an arithmetic number, because the mean of its divisors is an integer number (2241470).

Almost surely, 2^89724375 is an apocalyptic number.

89724375 is a deficient number, since it is larger than the sum of its proper divisors (89593225).

89724375 is a wasteful number, since it uses less digits than its factorization.

89724375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 430 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 89724375 is about 9472.2951284258. The cubic root of 89724375 is about 447.6825301175.

The spelling of 89724375 in words is "eighty-nine million, seven hundred twenty-four thousand, three hundred seventy-five".