89740872 has 192 divisors, whose sum is σ = 280687680. Its totient is φ = 26687232.

The previous prime is 89740831. The next prime is 89740879. The reversal of 89740872 is 27804798.

It is not an unprimeable number, because it can be changed into a prime (89740879) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1339383 + ... + 1339449.

It is an arithmetic number, because the mean of its divisors is an integer number (1461915).

Almost surely, 2^89740872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89740872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140343840).

89740872 is an abundant number, since it is smaller than the sum of its proper divisors (190946808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89740872 is a wasteful number, since it uses less digits than its factorization.

89740872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 89740872 is about 9473.1658910841. The cubic root of 89740872 is about 447.7099658658.

The spelling of 89740872 in words is "eighty-nine million, seven hundred forty thousand, eight hundred seventy-two".