63881742 has 16 divisors (see below), whose sum is σ = 130482432. Its totient is φ = 20840760.

The previous prime is 63881737. The next prime is 63881761. The reversal of 63881742 is 24718836.

63881742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 63881742.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 112984 + ... + 113547.

It is an arithmetic number, because the mean of its divisors is an integer number (8155152).

Almost surely, 2^63881742 is an apocalyptic number.

63881742 is an abundant number, since it is smaller than the sum of its proper divisors (66600690).

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

63881742 is a wasteful number, since it uses less digits than its factorization.

63881742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226583.

The product of its digits is 64512, while the sum is 39.

The square root of 63881742 is about 7992.6054575464. The cubic root of 63881742 is about 399.7534772642.

The spelling of 63881742 in words is "sixty-three million, eight hundred eighty-one thousand, seven hundred forty-two".