63316340 has 24 divisors (see below), whose sum is σ = 134951712. Its totient is φ = 24948000.

The previous prime is 63316333. The next prime is 63316399. The reversal of 63316340 is 4361336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22286 + ... + 24965.

It is an arithmetic number, because the mean of its divisors is an integer number (5622988).

Almost surely, 2^63316340 is an apocalyptic number.

It is an amenable number.

63316340 is an abundant number, since it is smaller than the sum of its proper divisors (71635372).

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

63316340 is a wasteful number, since it uses less digits than its factorization.

63316340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47327 (or 47325 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 63316340 is about 7957.1565273030. The cubic root of 63316340 is about 398.5706065033.

Adding to 63316340 its reverse (4361336), we get a palindrome (67677676).

The spelling of 63316340 in words is "sixty-three million, three hundred sixteen thousand, three hundred forty".