63297742 has 4 divisors (see below), whose sum is σ = 94946616. Its totient is φ = 31648870.

The previous prime is 63297701. The next prime is 63297743. The reversal of 63297742 is 24779236.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 63297695 and 63297704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63297743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15824434 + ... + 15824437.

It is an arithmetic number, because the mean of its divisors is an integer number (23736654).

Almost surely, 2^63297742 is an apocalyptic number.

63297742 is a deficient number, since it is larger than the sum of its proper divisors (31648874).

63297742 is a wasteful number, since it uses less digits than its factorization.

63297742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31648873.

The product of its digits is 127008, while the sum is 40.

The square root of 63297742 is about 7955.9878079343. The cubic root of 63297742 is about 398.5315784418.

The spelling of 63297742 in words is "sixty-three million, two hundred ninety-seven thousand, seven hundred forty-two".