63501472 has 24 divisors (see below), whose sum is σ = 128399796. Its totient is φ = 30892032.

The previous prime is 63501467. The next prime is 63501479. The reversal of 63501472 is 27410536.

It can be written as a sum of positive squares in 2 ways, for example, as 63425296 + 76176 = 7964^2 + 276^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63501472.

It is not an unprimeable number, because it can be changed into a prime (63501479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25633 + ... + 28000.

Almost surely, 2^63501472 is an apocalyptic number.

It is an amenable number.

63501472 is an abundant number, since it is smaller than the sum of its proper divisors (64898324).

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

63501472 is a wasteful number, since it uses less digits than its factorization.

63501472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53680 (or 53672 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 63501472 is about 7968.7810862139. The cubic root of 63501472 is about 398.9586915441.

The spelling of 63501472 in words is "sixty-three million, five hundred one thousand, four hundred seventy-two".