90037 has 4 divisors (see below), whose sum is σ = 90720. Its totient is φ = 89356.

The previous prime is 90031. The next prime is 90053. The reversal of 90037 is 73009.

It is a happy number.

It is the 123-rd star number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 90037 - 2⁷ = 89909 is a prime.

It is a super-2 number, since 2×90037² = 16213322738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89996 and 90023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90031) 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, 73 + ... + 430.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2⁹⁰⁰³⁷ is an apocalyptic number.

It is an amenable number.

90037 is a deficient number, since it is larger than the sum of its proper divisors (683).

90037 is a wasteful number, since it uses less digits than its factorization.

90037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 90037 is about 300.0616603300. The cubic root of 90037 is about 44.8201878085.

The spelling of 90037 in words is "ninety thousand, thirty-seven".