63247142 has 20 divisors (see below), whose sum is σ = 110684316. Its totient is φ = 27103860.

The previous prime is 63247111. The next prime is 63247153. The reversal of 63247142 is 24174236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1784 + ... + 11387.

Almost surely, 2^63247142 is an apocalyptic number.

63247142 is a deficient number, since it is larger than the sum of its proper divisors (47437174).

63247142 is an equidigital number, since it uses as much as digits as its factorization.

63247142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13201 (or 13180 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 63247142 is about 7952.8071773431. The cubic root of 63247142 is about 398.4253552018.

It can be divided in two parts, 632 and 47142, that added together give a palindrome (47774).

The spelling of 63247142 in words is "sixty-three million, two hundred forty-seven thousand, one hundred forty-two".