89372065 has 4 divisors (see below), whose sum is σ = 107246484. Its totient is φ = 71497648.

The previous prime is 89372047. The next prime is 89372069. The reversal of 89372065 is 56027398.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19465744 + 69906321 = 4412^2 + 8361^2 .

It is a cyclic number.

It is not a de Polignac number, because 89372065 - 2⁵ = 89372033 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89372069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8937202 + ... + 8937211.

It is an arithmetic number, because the mean of its divisors is an integer number (26811621).

Almost surely, 2^89372065 is an apocalyptic number.

It is an amenable number.

89372065 is a deficient number, since it is larger than the sum of its proper divisors (17874419).

89372065 is a wasteful number, since it uses less digits than its factorization.

89372065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17874418.

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

The square root of 89372065 is about 9453.6799713128. The cubic root of 89372065 is about 447.0958076462.

The spelling of 89372065 in words is "eighty-nine million, three hundred seventy-two thousand, sixty-five".