63274290 has 32 divisors (see below), whose sum is σ = 152240256. Its totient is φ = 16830720.

The previous prime is 63274249. The next prime is 63274327. The reversal of 63274290 is 9247236.

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, 10555 + ... + 15425.

It is an arithmetic number, because the mean of its divisors is an integer number (4757508).

Almost surely, 2^63274290 is an apocalyptic number.

63274290 is the 6495-th pentagonal number.

63274290 is an abundant number, since it is smaller than the sum of its proper divisors (88965966).

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

63274290 is a wasteful number, since it uses less digits than its factorization.

63274290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 63274290 is about 7954.5138129241. The cubic root of 63274290 is about 398.4823533204.

The spelling of 63274290 in words is "sixty-three million, two hundred seventy-four thousand, two hundred ninety".