63540672 has 56 divisors (see below), whose sum is σ = 181057296. Its totient is φ = 19550208.

The previous prime is 63540647. The next prime is 63540689. The reversal of 63540672 is 27604536.

It is a super-3 number, since 3×63540672³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10233 + ... + 15224.

It is an arithmetic number, because the mean of its divisors is an integer number (3233166).

Almost surely, 2^63540672 is an apocalyptic number.

It is an amenable number.

63540672 is an abundant number, since it is smaller than the sum of its proper divisors (117516624).

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

63540672 is a wasteful number, since it uses less digits than its factorization.

63540672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25485 (or 25475 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 63540672 is about 7971.2403049965. The cubic root of 63540672 is about 399.0407681913.

The spelling of 63540672 in words is "sixty-three million, five hundred forty thousand, six hundred seventy-two".