76830578 has 8 divisors (see below), whose sum is σ = 125722800. Its totient is φ = 34922980.

The previous prime is 76830577. The next prime is 76830587. The reversal of 76830578 is 87503867.

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

It is not an unprimeable number, because it can be changed into a prime (76830577) by changing a digit.

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, 1746128 + ... + 1746171.

It is an arithmetic number, because the mean of its divisors is an integer number (15715350).

Almost surely, 2^76830578 is an apocalyptic number.

76830578 is a deficient number, since it is larger than the sum of its proper divisors (48892222).

76830578 is a wasteful number, since it uses less digits than its factorization.

76830578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492312.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 76830578 is about 8765.3053569171. The cubic root of 76830578 is about 425.1198333365.

Subtracting 76830578 from its reverse (87503867), we obtain a square (10673289 = 3267²).

The spelling of 76830578 in words is "seventy-six million, eight hundred thirty thousand, five hundred seventy-eight".