36921873 has 8 divisors (see below), whose sum is σ = 49291200. Its totient is φ = 24583568.

The previous prime is 36921851. The next prime is 36921881. The reversal of 36921873 is 37812963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36921873 - 2²⁰ = 35873297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36921823) 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, 4818 + ... + 9851.

It is an arithmetic number, because the mean of its divisors is an integer number (6161400).

Almost surely, 2^36921873 is an apocalyptic number.

It is an amenable number.

36921873 is a deficient number, since it is larger than the sum of its proper divisors (12369327).

36921873 is a wasteful number, since it uses less digits than its factorization.

36921873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15511.

The product of its digits is 54432, while the sum is 39.

The square root of 36921873 is about 6076.3371367955. The cubic root of 36921873 is about 332.9874825079.

It can be divided in two parts, 3692 and 1873, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 36921873 in words is "thirty-six million, nine hundred twenty-one thousand, eight hundred seventy-three".