36731664 has 40 divisors (see below), whose sum is σ = 105434720. Its totient is φ = 12243744.

The previous prime is 36731663. The next prime is 36731677. The reversal of 36731664 is 46613763.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (36731663) 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, 42082 + ... + 42945.

It is an arithmetic number, because the mean of its divisors is an integer number (2635868).

Almost surely, 2^36731664 is an apocalyptic number.

It is an amenable number.

36731664 is an abundant number, since it is smaller than the sum of its proper divisors (68703056).

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

36731664 is a wasteful number, since it uses less digits than its factorization.

36731664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85044 (or 85032 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 36731664 is about 6060.6653100134. The cubic root of 36731664 is about 332.4146848026.

The spelling of 36731664 in words is "thirty-six million, seven hundred thirty-one thousand, six hundred sixty-four".