36870621 has 16 divisors (see below), whose sum is σ = 52463040. Its totient is φ = 22965120.

The previous prime is 36870593. The next prime is 36870623. The reversal of 36870621 is 12607863.

It is not a de Polignac number, because 36870621 - 2⁶ = 36870557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36870623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270 + ... + 8591.

It is an arithmetic number, because the mean of its divisors is an integer number (3278940).

Almost surely, 2^36870621 is an apocalyptic number.

It is an amenable number.

36870621 is a deficient number, since it is larger than the sum of its proper divisors (15592419).

36870621 is a wasteful number, since it uses less digits than its factorization.

36870621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8956.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 36870621 is about 6072.1183288866. The cubic root of 36870621 is about 332.8333356040.

The spelling of 36870621 in words is "thirty-six million, eight hundred seventy thousand, six hundred twenty-one".