89730617 has 4 divisors (see below), whose sum is σ = 89771136. Its totient is φ = 89690100.

The previous prime is 89730593. The next prime is 89730623. The reversal of 89730617 is 71603798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89730617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89733617) 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, 16733 + ... + 21434.

It is an arithmetic number, because the mean of its divisors is an integer number (22442784).

Almost surely, 2^89730617 is an apocalyptic number.

It is an amenable number.

89730617 is a deficient number, since it is larger than the sum of its proper divisors (40519).

89730617 is a wasteful number, since it uses less digits than its factorization.

89730617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40518.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 89730617 is about 9472.6246098956. The cubic root of 89730617 is about 447.6929114271.

The spelling of 89730617 in words is "eighty-nine million, seven hundred thirty thousand, six hundred seventeen".