800745 has 32 divisors (see below), whose sum is σ = 1465344. Its totient is φ = 369600.

The previous prime is 800743. The next prime is 800759. The reversal of 800745 is 547008.

800745 is nontrivially palindromic in base 14.

800745 is a nontrivial binomial coefficient, being equal to C(1266, 2).

It is not a de Polignac number, because 800745 - 2¹ = 800743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3690 + ... + 3900.

It is an arithmetic number, because the mean of its divisors is an integer number (45792).

2⁸⁰⁰⁷⁴⁵ is an apocalyptic number.

800745 is the 1265-th triangular number and also the 633-rd hexagonal number.

It is an amenable number.

800745 is a deficient number, since it is larger than the sum of its proper divisors (664599).

800745 is a wasteful number, since it uses less digits than its factorization.

800745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 800745 is about 894.8435617470. The cubic root of 800745 is about 92.8605842624.

The spelling of 800745 in words is "eight hundred thousand, seven hundred forty-five".