80745793 has 4 divisors (see below), whose sum is σ = 83350528. Its totient is φ = 78141060.

The previous prime is 80745781. The next prime is 80745809. The reversal of 80745793 is 39754708.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80745793 - 2⁹ = 80745281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80745713) 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, 1302321 + ... + 1302382.

It is an arithmetic number, because the mean of its divisors is an integer number (20837632).

Almost surely, 2^80745793 is an apocalyptic number.

It is an amenable number.

80745793 is a deficient number, since it is larger than the sum of its proper divisors (2604735).

80745793 is a wasteful number, since it uses less digits than its factorization.

80745793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604734.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 80745793 is about 8985.8662910150. The cubic root of 80745793 is about 432.2217672091.

The spelling of 80745793 in words is "eighty million, seven hundred forty-five thousand, seven hundred ninety-three".