63274220 has 48 divisors (see below), whose sum is σ = 137507328. Its totient is φ = 24442560.

The previous prime is 63274217. The next prime is 63274241. The reversal of 63274220 is 2247236.

It is a self number, because there is not a number n which added to its sum of digits gives 63274220.

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, 77615 + ... + 78425.

It is an arithmetic number, because the mean of its divisors is an integer number (2864736).

Almost surely, 2^63274220 is an apocalyptic number.

It is an amenable number.

63274220 is an abundant number, since it is smaller than the sum of its proper divisors (74233108).

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

63274220 is a wasteful number, since it uses less digits than its factorization.

63274220 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 4032, while the sum is 26.

The square root of 63274220 is about 7954.5094129054. The cubic root of 63274220 is about 398.4822063741.

The spelling of 63274220 in words is "sixty-three million, two hundred seventy-four thousand, two hundred twenty".