89741520 has 200 divisors, whose sum is σ = 340290720. Its totient is φ = 21738240.

The previous prime is 89741507. The next prime is 89741557. The reversal of 89741520 is 2514798.

89741520 is a `hidden beast` number, since 8 + 97 + 41 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70651 + ... + 71909.

Almost surely, 2^89741520 is an apocalyptic number.

89741520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89741520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170145360).

89741520 is an abundant number, since it is smaller than the sum of its proper divisors (250549200).

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

89741520 is a wasteful number, since it uses less digits than its factorization.

89741520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 89741520 is about 9473.2000928936. The cubic root of 89741520 is about 447.7110434698.

The spelling of 89741520 in words is "eighty-nine million, seven hundred forty-one thousand, five hundred twenty".