76782742 has 8 divisors (see below), whose sum is σ = 115416000. Its totient is φ = 38310744.

The previous prime is 76782721. The next prime is 76782751. The reversal of 76782742 is 24728767.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39117 + ... + 41032.

It is an arithmetic number, because the mean of its divisors is an integer number (14427000).

Almost surely, 2^76782742 is an apocalyptic number.

76782742 is a deficient number, since it is larger than the sum of its proper divisors (38633258).

76782742 is a wasteful number, since it uses less digits than its factorization.

76782742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80630.

The product of its digits is 263424, while the sum is 43.

The square root of 76782742 is about 8762.5762193547. The cubic root of 76782742 is about 425.0315861184.

The spelling of 76782742 in words is "seventy-six million, seven hundred eighty-two thousand, seven hundred forty-two".