76930786 has 8 divisors (see below), whose sum is σ = 116171100. Its totient is φ = 38207088.

The previous prime is 76930781. The next prime is 76930787. The reversal of 76930786 is 68703967.

It can be written as a sum of positive squares in 2 ways, for example, as 70040161 + 6890625 = 8369^2 + 2625^2 .

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 (76930781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128781 + ... + 129376.

Almost surely, 2^76930786 is an apocalyptic number.

76930786 is a deficient number, since it is larger than the sum of its proper divisors (39240314).

76930786 is a wasteful number, since it uses less digits than its factorization.

76930786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258308.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 76930786 is about 8771.0196670627. The cubic root of 76930786 is about 425.3045770585.

The spelling of 76930786 in words is "seventy-six million, nine hundred thirty thousand, seven hundred eighty-six".