76807742 has 8 divisors (see below), whose sum is σ = 125685432. Its totient is φ = 34912600.

The previous prime is 76807733. The next prime is 76807769. The reversal of 76807742 is 24770867.

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

It is a super-2 number, since 2×76807742² = 11798858462277128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76807742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745609 + ... + 1745652.

It is an arithmetic number, because the mean of its divisors is an integer number (15710679).

Almost surely, 2^76807742 is an apocalyptic number.

76807742 is a deficient number, since it is larger than the sum of its proper divisors (48877690).

76807742 is a wasteful number, since it uses less digits than its factorization.

76807742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491274.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 76807742 is about 8764.0026243720. The cubic root of 76807742 is about 425.0777103574.

The spelling of 76807742 in words is "seventy-six million, eight hundred seven thousand, seven hundred forty-two".