63400672 has 24 divisors (see below), whose sum is σ = 125656272. Its totient is φ = 31488000.

The previous prime is 63400651. The next prime is 63400679. The reversal of 63400672 is 27600436.

It is a self number, because there is not a number n which added to its sum of digits gives 63400672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63400679) 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, 1729 + ... + 11392.

It is an arithmetic number, because the mean of its divisors is an integer number (5235678).

Almost surely, 2^63400672 is an apocalyptic number.

It is an amenable number.

63400672 is a deficient number, since it is larger than the sum of its proper divisors (62255600).

63400672 is a wasteful number, since it uses less digits than its factorization.

63400672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13282 (or 13274 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 63400672 is about 7962.4538931161. The cubic root of 63400672 is about 398.7474820909.

The spelling of 63400672 in words is "sixty-three million, four hundred thousand, six hundred seventy-two".