89072040 has 64 divisors (see below), whose sum is σ = 267845760. Its totient is φ = 23696640.

The previous prime is 89072033. The next prime is 89072047. The reversal of 89072040 is 4027098.

It is an interprime number because it is at equal distance from previous prime (89072033) and next prime (89072047).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 89071989 and 89072007.

It is not an unprimeable number, because it can be changed into a prime (89072047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86730 + ... + 87750.

It is an arithmetic number, because the mean of its divisors is an integer number (4185090).

Almost surely, 2^89072040 is an apocalyptic number.

It is an amenable number.

89072040 is an abundant number, since it is smaller than the sum of its proper divisors (178773720).

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

89072040 is a wasteful number, since it uses less digits than its factorization.

89072040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 89072040 is about 9437.7984721014. The cubic root of 89072040 is about 446.5949415783.

The spelling of 89072040 in words is "eighty-nine million, seventy-two thousand, forty".