63126642 has 8 divisors (see below), whose sum is σ = 126253296. Its totient is φ = 21042212.

The previous prime is 63126641. The next prime is 63126647. The reversal of 63126642 is 24662136.

It is a sphenic number, since it is the product of 3 distinct primes.

63126642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (63126641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5260548 + ... + 5260559.

It is an arithmetic number, because the mean of its divisors is an integer number (15781662).

Almost surely, 2^63126642 is an apocalyptic number.

63126642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63126642 is a wasteful number, since it uses less digits than its factorization.

63126642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521112.

The product of its digits is 10368, while the sum is 30.

The square root of 63126642 is about 7945.2276241779. The cubic root of 63126642 is about 398.1721644319.

Adding to 63126642 its reverse (24662136), we get a palindrome (87788778).

The spelling of 63126642 in words is "sixty-three million, one hundred twenty-six thousand, six hundred forty-two".