89424725 has 12 divisors (see below), whose sum is σ = 119416836. Its totient is φ = 66036480.

The previous prime is 89424631. The next prime is 89424733. The reversal of 89424725 is 52742498.

89424725 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 6 ways, for example, as 35593156 + 53831569 = 5966^2 + 7337^2 .

It is a de Polignac number, because none of the positive numbers 2^k-89424725 is a prime.

It is a Duffinian number.

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, 137252 + ... + 137901.

It is an arithmetic number, because the mean of its divisors is an integer number (9951403).

Almost surely, 2^89424725 is an apocalyptic number.

It is an amenable number.

89424725 is a deficient number, since it is larger than the sum of its proper divisors (29992111).

89424725 is a wasteful number, since it uses less digits than its factorization.

89424725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275176 (or 275171 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 89424725 is about 9456.4647199680. The cubic root of 89424725 is about 447.1836033219.

The spelling of 89424725 in words is "eighty-nine million, four hundred twenty-four thousand, seven hundred twenty-five".