36664540 has 24 divisors (see below), whose sum is σ = 83995632. Its totient is φ = 13332480.

The previous prime is 36664531. The next prime is 36664541. The reversal of 36664540 is 4546663.

It is a junction number, because it is equal to n+sod(n) for n = 36664496 and 36664505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36664541) 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, 83109 + ... + 83548.

It is an arithmetic number, because the mean of its divisors is an integer number (3499818).

Almost surely, 2^36664540 is an apocalyptic number.

It is an amenable number.

36664540 is an abundant number, since it is smaller than the sum of its proper divisors (47331092).

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

36664540 is a wasteful number, since it uses less digits than its factorization.

36664540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166677 (or 166675 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 36664540 is about 6055.1251019281. The cubic root of 36664540 is about 332.2120747891.

The spelling of 36664540 in words is "thirty-six million, six hundred sixty-four thousand, five hundred forty".