36693621 has 8 divisors (see below), whose sum is σ = 54360960. Its totient is φ = 24462396.

The previous prime is 36693619. The next prime is 36693641. The reversal of 36693621 is 12639663.

It is not a de Polignac number, because 36693621 - 2¹ = 36693619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36693611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679485 + ... + 679538.

It is an arithmetic number, because the mean of its divisors is an integer number (6795120).

Almost surely, 2^36693621 is an apocalyptic number.

It is an amenable number.

36693621 is a deficient number, since it is larger than the sum of its proper divisors (17667339).

36693621 is a wasteful number, since it uses less digits than its factorization.

36693621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359032 (or 1359026 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 36693621 is about 6057.5259801341. The cubic root of 36693621 is about 332.2998844839.

The spelling of 36693621 in words is "thirty-six million, six hundred ninety-three thousand, six hundred twenty-one".