80367745 has 4 divisors (see below), whose sum is σ = 96441300. Its totient is φ = 64294192.

The previous prime is 80367743. The next prime is 80367751. The reversal of 80367745 is 54776308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24880144 + 55487601 = 4988^2 + 7449^2 .

It is a cyclic number.

It is not a de Polignac number, because 80367745 - 2¹ = 80367743 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 80367698 and 80367707.

It is not an unprimeable number, because it can be changed into a prime (80367743) 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, 8036770 + ... + 8036779.

It is an arithmetic number, because the mean of its divisors is an integer number (24110325).

Almost surely, 2^80367745 is an apocalyptic number.

It is an amenable number.

80367745 is a deficient number, since it is larger than the sum of its proper divisors (16073555).

80367745 is a wasteful number, since it uses less digits than its factorization.

80367745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16073554.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 80367745 is about 8964.8059097785. The cubic root of 80367745 is about 431.5461644100.

The spelling of 80367745 in words is "eighty million, three hundred sixty-seven thousand, seven hundred forty-five".