63319340 has 48 divisors (see below), whose sum is σ = 155215872. Its totient is φ = 21245376.

The previous prime is 63319303. The next prime is 63319363. The reversal of 63319340 is 4391336.

63319340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1769 + ... + 11391.

It is an arithmetic number, because the mean of its divisors is an integer number (3233664).

Almost surely, 2^63319340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63319340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77607936).

63319340 is an abundant number, since it is smaller than the sum of its proper divisors (91896532).

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

63319340 is a wasteful number, since it uses less digits than its factorization.

63319340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9686 (or 9684 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 63319340 is about 7957.3450346205. The cubic root of 63319340 is about 398.5769013130.

The spelling of 63319340 in words is "sixty-three million, three hundred nineteen thousand, three hundred forty".