76820366 has 16 divisors (see below), whose sum is σ = 132902880. Its totient is φ = 32620320.

The previous prime is 76820351. The next prime is 76820371. The reversal of 76820366 is 66302867.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 23645 + ... + 26696.

It is an arithmetic number, because the mean of its divisors is an integer number (8306430).

Almost surely, 2^76820366 is an apocalyptic number.

76820366 is a deficient number, since it is larger than the sum of its proper divisors (56082514).

76820366 is a wasteful number, since it uses less digits than its factorization.

76820366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50459.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 76820366 is about 8764.7228136433. The cubic root of 76820366 is about 425.1009974502.

The spelling of 76820366 in words is "seventy-six million, eight hundred twenty thousand, three hundred sixty-six".