63562572 has 18 divisors (see below), whose sum is σ = 160672148. Its totient is φ = 21187512.

The previous prime is 63562567. The next prime is 63562573. The reversal of 63562572 is 27526536.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1765627 = 63562572 / (6 + 3 + 5 + 6 + 2 + 5 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (63562573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 882778 + ... + 882849.

Almost surely, 2^63562572 is an apocalyptic number.

It is an amenable number.

63562572 is an abundant number, since it is smaller than the sum of its proper divisors (97109576).

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

63562572 is a wasteful number, since it uses less digits than its factorization.

63562572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765637 (or 1765632 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 63562572 is about 7972.6138750099. The cubic root of 63562572 is about 399.0866075398.

The spelling of 63562572 in words is "sixty-three million, five hundred sixty-two thousand, five hundred seventy-two".