63671142 has 16 divisors (see below), whose sum is σ = 127561392. Its totient is φ = 21187200.

The previous prime is 63671141. The next prime is 63671143. The reversal of 63671142 is 24117636.

It is an interprime number because it is at equal distance from previous prime (63671141) and next prime (63671143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63671141) 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, 5223 + ... + 12434.

It is an arithmetic number, because the mean of its divisors is an integer number (7972587).

Almost surely, 2^63671142 is an apocalyptic number.

63671142 is an abundant number, since it is smaller than the sum of its proper divisors (63890250).

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

63671142 is a wasteful number, since it uses less digits than its factorization.

63671142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18263.

The product of its digits is 6048, while the sum is 30.

The square root of 63671142 is about 7979.4199037273. The cubic root of 63671142 is about 399.3137023289.

Adding to 63671142 its reverse (24117636), we get a palindrome (87788778).

The spelling of 63671142 in words is "sixty-three million, six hundred seventy-one thousand, one hundred forty-two".