63389774 has 16 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 27118104.

The previous prime is 63389759. The next prime is 63389779. The reversal of 63389774 is 47798336.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63389779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4607 + ... + 12165.

It is an arithmetic number, because the mean of its divisors is an integer number (6804000).

Almost surely, 2^63389774 is an apocalyptic number.

63389774 is a deficient number, since it is larger than the sum of its proper divisors (45474226).

63389774 is a wasteful number, since it uses less digits than its factorization.

63389774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8167.

The product of its digits is 762048, while the sum is 47.

The square root of 63389774 is about 7961.7695269331. The cubic root of 63389774 is about 398.7246337575.

The spelling of 63389774 in words is "sixty-three million, three hundred eighty-nine thousand, seven hundred seventy-four".