800756745 has 16 divisors (see below), whose sum is σ = 1286202240. Its totient is φ = 425406464.

The previous prime is 800756743. The next prime is 800756819. The reversal of 800756745 is 547657008.

800756745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 800756745 - 2¹ = 800756743 is a prime.

It is a super-2 number, since 2×800756745² = 1282422729325990050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 800756697 and 800756706.

It is not an unprimeable number, because it can be changed into a prime (800756743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100005 + ... + 107714.

It is an arithmetic number, because the mean of its divisors is an integer number (80387640).

Almost surely, 2^800756745 is an apocalyptic number.

It is an amenable number.

800756745 is a deficient number, since it is larger than the sum of its proper divisors (485445495).

800756745 is a wasteful number, since it uses less digits than its factorization.

800756745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207984.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 800756745 is about 28297.6455734395. The cubic root of 800756745 is about 928.6103827389.

The spelling of 800756745 in words is "eight hundred million, seven hundred fifty-six thousand, seven hundred forty-five".