36731820 has 48 divisors (see below), whose sum is σ = 103124448. Its totient is φ = 9768960.

The previous prime is 36731819. The next prime is 36731831. The reversal of 36731820 is 2813763.

36731820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34090 + ... + 35150.

It is an arithmetic number, because the mean of its divisors is an integer number (2148426).

Almost surely, 2^36731820 is an apocalyptic number.

36731820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36731820 is an abundant number, since it is smaller than the sum of its proper divisors (66392628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36731820 is a wasteful number, since it uses less digits than its factorization.

36731820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 36731820 is about 6060.6781798739. The cubic root of 36731820 is about 332.4151553922.

The spelling of 36731820 in words is "thirty-six million, seven hundred thirty-one thousand, eight hundred twenty".