63874368 has 84 divisors (see below), whose sum is σ = 184429908. Its totient is φ = 21135360.

The previous prime is 63874367. The next prime is 63874373. The reversal of 63874368 is 86347836.

63874368 is a `hidden beast` number, since 638 + 7 + 4 + 3 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57881664 + 5992704 = 7608^2 + 2448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63874361) 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, 99328 + ... + 99968.

Almost surely, 2^63874368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63874368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92214954).

63874368 is an abundant number, since it is smaller than the sum of its proper divisors (120555540).

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

63874368 is a wasteful number, since it uses less digits than its factorization.

63874368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 819 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 63874368 is about 7992.1441428443. The cubic root of 63874368 is about 399.7380952188.

The spelling of 63874368 in words is "sixty-three million, eight hundred seventy-four thousand, three hundred sixty-eight".