63874420 has 48 divisors (see below), whose sum is σ = 137225088. Its totient is φ = 24969600.

The previous prime is 63874379. The next prime is 63874441. The reversal of 63874420 is 2447836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207907 + ... + 208213.

It is an arithmetic number, because the mean of its divisors is an integer number (2858856).

Almost surely, 2^63874420 is an apocalyptic number.

It is an amenable number.

63874420 is an abundant number, since it is smaller than the sum of its proper divisors (73350668).

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

63874420 is a wasteful number, since it uses less digits than its factorization.

63874420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 63874420 is about 7992.1473960382. The cubic root of 63874420 is about 399.7382036941.

The spelling of 63874420 in words is "sixty-three million, eight hundred seventy-four thousand, four hundred twenty".