36664812 has 72 divisors (see below), whose sum is σ = 97720896. Its totient is φ = 12017808.

The previous prime is 36664811. The next prime is 36664819. The reversal of 36664812 is 21846663.

It is a super-3 number, since 3×36664812³ (a number of 24 digits) contains 333 as substring.

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 (36664811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64843 + ... + 65405.

Almost surely, 2^36664812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36664812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48860448).

36664812 is an abundant number, since it is smaller than the sum of its proper divisors (61056084).

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

36664812 is a wasteful number, since it uses less digits than its factorization.

36664812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 635 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 36664812 is about 6055.1475621986. The cubic root of 36664812 is about 332.2128963045.

The spelling of 36664812 in words is "thirty-six million, six hundred sixty-four thousand, eight hundred twelve".