89970037 has 4 divisors (see below), whose sum is σ = 89990656. Its totient is φ = 89949420.

The previous prime is 89970007. The next prime is 89970053. The reversal of 89970037 is 73007998.

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 not a de Polignac number, because 89970037 - 2⁷ = 89969909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89969975 and 89970002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89970007) 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, 903 + ... + 13444.

It is an arithmetic number, because the mean of its divisors is an integer number (22497664).

Almost surely, 2^89970037 is an apocalyptic number.

It is an amenable number.

89970037 is a deficient number, since it is larger than the sum of its proper divisors (20619).

89970037 is a wasteful number, since it uses less digits than its factorization.

89970037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20618.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 89970037 is about 9485.2536602876. The cubic root of 89970037 is about 448.0907371615.

The spelling of 89970037 in words is "eighty-nine million, nine hundred seventy thousand, thirty-seven".