63813234 has 32 divisors (see below), whose sum is σ = 131765760. Its totient is φ = 20587392.

The previous prime is 63813209. The next prime is 63813241. The reversal of 63813234 is 43231836.

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, 48862 + ... + 50150.

It is an arithmetic number, because the mean of its divisors is an integer number (4117680).

Almost surely, 2^63813234 is an apocalyptic number.

63813234 is an abundant number, since it is smaller than the sum of its proper divisors (67952526).

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

63813234 is a wasteful number, since it uses less digits than its factorization.

63813234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554.

The product of its digits is 10368, while the sum is 30.

The square root of 63813234 is about 7988.3185965508. The cubic root of 63813234 is about 399.6105250629.

The spelling of 63813234 in words is "sixty-three million, eight hundred thirteen thousand, two hundred thirty-four".