63407572 has 12 divisors (see below), whose sum is σ = 114789780. Its totient is φ = 30610496.

The previous prime is 63407563. The next prime is 63407587. The reversal of 63407572 is 27570436.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26998416 + 36409156 = 5196^2 + 6034^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273193 + ... + 273424.

It is an arithmetic number, because the mean of its divisors is an integer number (9565815).

Almost surely, 2^63407572 is an apocalyptic number.

It is an amenable number.

63407572 is a deficient number, since it is larger than the sum of its proper divisors (51382208).

63407572 is a wasteful number, since it uses less digits than its factorization.

63407572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546650 (or 546648 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 63407572 is about 7962.8871648417. The cubic root of 63407572 is about 398.7619470155.

The spelling of 63407572 in words is "sixty-three million, four hundred seven thousand, five hundred seventy-two".