63274257 has 16 divisors (see below), whose sum is σ = 93991680. Its totient is φ = 42069456.

The previous prime is 63274249. The next prime is 63274327. The reversal of 63274257 is 75247236.

It is a happy number.

It is not a de Polignac number, because 63274257 - 2³ = 63274249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63274217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7768 + ... + 13670.

It is an arithmetic number, because the mean of its divisors is an integer number (5874480).

Almost surely, 2^63274257 is an apocalyptic number.

It is an amenable number.

63274257 is a deficient number, since it is larger than the sum of its proper divisors (30717423).

63274257 is a wasteful number, since it uses less digits than its factorization.

63274257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309 (or 6303 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 63274257 is about 7954.5117386298. The cubic root of 63274257 is about 398.4822840457.

The spelling of 63274257 in words is "sixty-three million, two hundred seventy-four thousand, two hundred fifty-seven".