63748506 has 16 divisors (see below), whose sum is σ = 129903264. Its totient is φ = 20848464.

The previous prime is 63748501. The next prime is 63748511. The reversal of 63748506 is 60584736.

It is an interprime number because it is at equal distance from previous prime (63748501) and next prime (63748511).

It is not an unprimeable number, because it can be changed into a prime (63748501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99916 + ... + 100551.

It is an arithmetic number, because the mean of its divisors is an integer number (8118954).

Almost surely, 2^63748506 is an apocalyptic number.

63748506 is an abundant number, since it is smaller than the sum of its proper divisors (66154758).

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

63748506 is a wasteful number, since it uses less digits than its factorization.

63748506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200525.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 63748506 is about 7984.2661528784. The cubic root of 63748506 is about 399.4753663664.

The spelling of 63748506 in words is "sixty-three million, seven hundred forty-eight thousand, five hundred six".