89536720 has 160 divisors (see below), whose sum is σ = 262483200. Its totient is φ = 28224000.

The previous prime is 89536709. The next prime is 89536747. The reversal of 89536720 is 2763598.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356595 + ... + 356845.

It is an arithmetic number, because the mean of its divisors is an integer number (1640520).

Almost surely, 2^89536720 is an apocalyptic number.

89536720 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 89536720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131241600).

89536720 is an abundant number, since it is smaller than the sum of its proper divisors (172946480).

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

89536720 is a wasteful number, since it uses less digits than its factorization.

89536720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 89536720 is about 9462.3844774983. The cubic root of 89536720 is about 447.3702088146.

The spelling of 89536720 in words is "eighty-nine million, five hundred thirty-six thousand, seven hundred twenty".