36640620 has 48 divisors (see below), whose sum is σ = 113994720. Its totient is φ = 9770688.

The previous prime is 36640613. The next prime is 36640631. The reversal of 36640620 is 2604663.

36640620 is a `hidden beast` number, since 36 + 6 + 4 + 0 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33387 + ... + 34466.

It is an arithmetic number, because the mean of its divisors is an integer number (2374890).

Almost surely, 2^36640620 is an apocalyptic number.

36640620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36640620 is an abundant number, since it is smaller than the sum of its proper divisors (77354100).

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

36640620 is a wasteful number, since it uses less digits than its factorization.

36640620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67871 (or 67863 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 36640620 is about 6053.1495933935. The cubic root of 36640620 is about 332.1398138565.

The spelling of 36640620 in words is "thirty-six million, six hundred forty thousand, six hundred twenty".