63715340 has 48 divisors (see below), whose sum is σ = 144789120. Its totient is φ = 23412480.

The previous prime is 63715331. The next prime is 63715363. The reversal of 63715340 is 4351736.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69485 + ... + 70395.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^63715340 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 63715340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72394560).

63715340 is an abundant number, since it is smaller than the sum of its proper divisors (81073780).

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

63715340 is a wasteful number, since it uses less digits than its factorization.

63715340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 63715340 is about 7982.1889228457. The cubic root of 63715340 is about 399.4060769082.

It can be divided in two parts, 6371 and 5340, that added together give a palindrome (11711).

The spelling of 63715340 in words is "sixty-three million, seven hundred fifteen thousand, three hundred forty".