89725118 has 16 divisors (see below), whose sum is σ = 154850400. Its totient is φ = 38194656.

The previous prime is 89725117. The next prime is 89725123. The reversal of 89725118 is 81152798.

It is a super-2 number, since 2×89725118² = 16101193600227848, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89725117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19421 + ... + 23592.

It is an arithmetic number, because the mean of its divisors is an integer number (9678150).

Almost surely, 2^89725118 is an apocalyptic number.

89725118 is a deficient number, since it is larger than the sum of its proper divisors (65125282).

89725118 is a wasteful number, since it uses less digits than its factorization.

89725118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43171.

The product of its digits is 40320, while the sum is 41.

The square root of 89725118 is about 9472.3343479841. The cubic root of 89725118 is about 447.6837658545.

The spelling of 89725118 in words is "eighty-nine million, seven hundred twenty-five thousand, one hundred eighteen".