63874520 has 16 divisors (see below), whose sum is σ = 143717760. Its totient is φ = 25549792.

The previous prime is 63874507. The next prime is 63874529. The reversal of 63874520 is 2547836.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63874529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798392 + ... + 798471.

It is an arithmetic number, because the mean of its divisors is an integer number (8982360).

Almost surely, 2^63874520 is an apocalyptic number.

It is an amenable number.

63874520 is an abundant number, since it is smaller than the sum of its proper divisors (79843240).

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

63874520 is a wasteful number, since it uses less digits than its factorization.

63874520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596874 (or 1596870 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 63874520 is about 7992.1536521766. The cubic root of 63874520 is about 399.7384123003.

The spelling of 63874520 in words is "sixty-three million, eight hundred seventy-four thousand, five hundred twenty".