63406274 has 16 divisors (see below), whose sum is σ = 96795648. Its totient is φ = 31146192.

The previous prime is 63406261. The next prime is 63406279. The reversal of 63406274 is 47260436.

It is a self number, because there is not a number n which added to its sum of digits gives 63406274.

It is not an unprimeable number, because it can be changed into a prime (63406279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26012 + ... + 28344.

It is an arithmetic number, because the mean of its divisors is an integer number (6049728).

Almost surely, 2^63406274 is an apocalyptic number.

63406274 is a deficient number, since it is larger than the sum of its proper divisors (33389374).

63406274 is a wasteful number, since it uses less digits than its factorization.

63406274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 63406274 is about 7962.8056613231. The cubic root of 63406274 is about 398.7592260127.

The spelling of 63406274 in words is "sixty-three million, four hundred six thousand, two hundred seventy-four".