63503874 has 96 divisors (see below), whose sum is σ = 173871360. Its totient is φ = 16321536.

The previous prime is 63503849. The next prime is 63503879. The reversal of 63503874 is 47830536.

It is a happy number.

63503874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63503879) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 48622 + ... + 49910.

It is an arithmetic number, because the mean of its divisors is an integer number (1811160).

Almost surely, 2^63503874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63503874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86935680).

63503874 is an abundant number, since it is smaller than the sum of its proper divisors (110367486).

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

63503874 is a wasteful number, since it uses less digits than its factorization.

63503874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 63503874 is about 7968.9317979262. The cubic root of 63503874 is about 398.9637218038.

The spelling of 63503874 in words is "sixty-three million, five hundred three thousand, eight hundred seventy-four".