3620533572 has 48 divisors (see below), whose sum is σ = 9407059200. Its totient is φ = 1204210080.

The previous prime is 3620533559. The next prime is 3620533573. The reversal of 3620533572 is 2753350263.

3620533572 is a `hidden beast` number, since 36 + 2 + 0 + 53 + 3 + 572 = 666.

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 (3620533573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13429 + ... + 86147.

It is an arithmetic number, because the mean of its divisors is an integer number (195980400).

Almost surely, 2^3620533572 is an apocalyptic number.

It is an amenable number.

3620533572 is an abundant number, since it is smaller than the sum of its proper divisors (5786525628).

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

3620533572 is a wasteful number, since it uses less digits than its factorization.

3620533572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73193 (or 73185 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 36.

The square root of 3620533572 is about 60170.8697959403. The cubic root of 3620533572 is about 1535.5272440347.

The spelling of 3620533572 in words is "three billion, six hundred twenty million, five hundred thirty-three thousand, five hundred seventy-two".