63874220 has 48 divisors (see below), whose sum is σ = 140894208. Its totient is φ = 24277440.

The previous prime is 63874207. The next prime is 63874231. The reversal of 63874220 is 2247836.

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, 87497 + ... + 88223.

It is an arithmetic number, because the mean of its divisors is an integer number (2935296).

Almost surely, 2^63874220 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 63874220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70447104).

63874220 is an abundant number, since it is smaller than the sum of its proper divisors (77019988).

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

63874220 is a wasteful number, since it uses less digits than its factorization.

63874220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 63874220 is about 7992.1348837466. The cubic root of 63874220 is about 399.7377864811.

The spelling of 63874220 in words is "sixty-three million, eight hundred seventy-four thousand, two hundred twenty".