63768742 has 32 divisors (see below), whose sum is σ = 103454208. Its totient is φ = 29405376.

The previous prime is 63768737. The next prime is 63768763. The reversal of 63768742 is 24786736.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203578 + ... + 203890.

It is an arithmetic number, because the mean of its divisors is an integer number (3232944).

Almost surely, 2^63768742 is an apocalyptic number.

63768742 is a deficient number, since it is larger than the sum of its proper divisors (39685466).

63768742 is a wasteful number, since it uses less digits than its factorization.

63768742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its digits is 338688, while the sum is 43.

The square root of 63768742 is about 7985.5332946523. The cubic root of 63768742 is about 399.5176310343.

The spelling of 63768742 in words is "sixty-three million, seven hundred sixty-eight thousand, seven hundred forty-two".