768446542 has 4 divisors (see below), whose sum is σ = 1152669816. Its totient is φ = 384223270.

The previous prime is 768446531. The next prime is 768446543. The reversal of 768446542 is 245644867.

It is a happy number.

768446542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 768446492 and 768446501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768446543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192111634 + ... + 192111637.

It is an arithmetic number, because the mean of its divisors is an integer number (288167454).

Almost surely, 2^768446542 is an apocalyptic number.

768446542 is a deficient number, since it is larger than the sum of its proper divisors (384223274).

768446542 is a wasteful number, since it uses less digits than its factorization.

768446542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384223273.

The product of its digits is 1290240, while the sum is 46.

The square root of 768446542 is about 27720.8683485925. The cubic root of 768446542 is about 915.9488468031.

The spelling of 768446542 in words is "seven hundred sixty-eight million, four hundred forty-six thousand, five hundred forty-two".