63474642 has 96 divisors (see below), whose sum is σ = 175803264. Its totient is φ = 16070400.

The previous prime is 63474613. The next prime is 63474659. The reversal of 63474642 is 24647436.

63474642 is a `hidden beast` number, since 6 + 3 + 4 + 7 + 4 + 642 = 666.

63474642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63474597 and 63474606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56268 + ... + 57384.

It is an arithmetic number, because the mean of its divisors is an integer number (1831284).

Almost surely, 2^63474642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63474642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87901632).

63474642 is an abundant number, since it is smaller than the sum of its proper divisors (112328622).

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

63474642 is a wasteful number, since it uses less digits than its factorization.

63474642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1181 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 63474642 is about 7967.0974639451. The cubic root of 63474642 is about 398.9024956312.

The spelling of 63474642 in words is "sixty-three million, four hundred seventy-four thousand, six hundred forty-two".