63401472 has 60 divisors (see below), whose sum is σ = 182994240. Its totient is φ = 21132288.

The previous prime is 63401447. The next prime is 63401473. The reversal of 63401472 is 27410436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63401473) 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, 2272 + ... + 11487.

It is an arithmetic number, because the mean of its divisors is an integer number (3049904).

Almost surely, 2^63401472 is an apocalyptic number.

It is an amenable number.

63401472 is an abundant number, since it is smaller than the sum of its proper divisors (119592768).

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

63401472 is a wasteful number, since it uses less digits than its factorization.

63401472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13783 (or 13764 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 63401472 is about 7962.5041287273. The cubic root of 63401472 is about 398.7491592374.

The spelling of 63401472 in words is "sixty-three million, four hundred one thousand, four hundred seventy-two".