76834578 has 8 divisors (see below), whose sum is σ = 153669168. Its totient is φ = 25611524.

The previous prime is 76834561. The next prime is 76834631. The reversal of 76834578 is 87543867.

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

76834578 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6402876 + ... + 6402887.

It is an arithmetic number, because the mean of its divisors is an integer number (19208646).

Almost surely, 2^76834578 is an apocalyptic number.

76834578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

76834578 is a wasteful number, since it uses less digits than its factorization.

76834578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12805768.

The product of its digits is 1128960, while the sum is 48.

The square root of 76834578 is about 8765.5335262607. The cubic root of 76834578 is about 425.1272108238.

The spelling of 76834578 in words is "seventy-six million, eight hundred thirty-four thousand, five hundred seventy-eight".