63213774 has 48 divisors (see below), whose sum is σ = 141387264. Its totient is φ = 18813600.

The previous prime is 63213749. The next prime is 63213791. The reversal of 63213774 is 47731236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30429 + ... + 32439.

It is an arithmetic number, because the mean of its divisors is an integer number (2945568).

Almost surely, 2^63213774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63213774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70693632).

63213774 is an abundant number, since it is smaller than the sum of its proper divisors (78173490).

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

63213774 is a wasteful number, since it uses less digits than its factorization.

63213774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073 (or 2060 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 63213774 is about 7950.7090249864. The cubic root of 63213774 is about 398.3552756402.

The spelling of 63213774 in words is "sixty-three million, two hundred thirteen thousand, seven hundred seventy-four".