63471672 has 48 divisors (see below), whose sum is σ = 187532280. Its totient is φ = 19233600.

The previous prime is 63471671. The next prime is 63471673. The reversal of 63471672 is 27617436.

63471672 is a `hidden beast` number, since 634 + 7 + 16 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (63471671) and next prime (63471673).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63471671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39279 + ... + 40862.

Almost surely, 2^63471672 is an apocalyptic number.

It is an amenable number.

63471672 is an abundant number, since it is smaller than the sum of its proper divisors (124060608).

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

63471672 is a wasteful number, since it uses less digits than its factorization.

63471672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80164 (or 80157 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 63471672 is about 7966.9110701702. The cubic root of 63471672 is about 398.8962739398.

The spelling of 63471672 in words is "sixty-three million, four hundred seventy-one thousand, six hundred seventy-two".