80743366 has 32 divisors (see below), whose sum is σ = 137479680. Its totient is φ = 35229600.

The previous prime is 80743357. The next prime is 80743393. The reversal of 80743366 is 66334708.

It is a happy number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 172665 + ... + 173131.

It is an arithmetic number, because the mean of its divisors is an integer number (4296240).

Almost surely, 2^80743366 is an apocalyptic number.

80743366 is a deficient number, since it is larger than the sum of its proper divisors (56736314).

80743366 is a wasteful number, since it uses less digits than its factorization.

80743366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 80743366 is about 8985.7312445899. The cubic root of 80743366 is about 432.2174366936.

The spelling of 80743366 in words is "eighty million, seven hundred forty-three thousand, three hundred sixty-six".