63504740 has 48 divisors (see below), whose sum is σ = 148270080. Its totient is φ = 22688640.

The previous prime is 63504737. The next prime is 63504761. The reversal of 63504740 is 4740536.

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, 4121 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (3088960).

Almost surely, 2^63504740 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 63504740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74135040).

63504740 is an abundant number, since it is smaller than the sum of its proper divisors (84765340).

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

63504740 is a wasteful number, since it uses less digits than its factorization.

63504740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932 (or 7930 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 63504740 is about 7968.9861337563. The cubic root of 63504740 is about 398.9655353468.

The spelling of 63504740 in words is "sixty-three million, five hundred four thousand, seven hundred forty".