7686782742 has 32 divisors (see below), whose sum is σ = 15455349504. Its totient is φ = 2548666400.

The previous prime is 7686782729. The next prime is 7686782759. The reversal of 7686782742 is 2472876867.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929767 + ... + 937997.

It is an arithmetic number, because the mean of its divisors is an integer number (482979672).

Almost surely, 2^7686782742 is an apocalyptic number.

7686782742 is an abundant number, since it is smaller than the sum of its proper divisors (7768566762).

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

7686782742 is a wasteful number, since it uses less digits than its factorization.

7686782742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9044.

The product of its digits is 12644352, while the sum is 57.

The square root of 7686782742 is about 87674.2992102018. The cubic root of 7686782742 is about 1973.5503107898.

The spelling of 7686782742 in words is "seven billion, six hundred eighty-six million, seven hundred eighty-two thousand, seven hundred forty-two".