806745 has 8 divisors (see below), whose sum is σ = 1290816. Its totient is φ = 430256.

The previous prime is 806737. The next prime is 806761. The reversal of 806745 is 547608.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 806745 - 2³ = 806737 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 26877 + ... + 26906.

It is an arithmetic number, because the mean of its divisors is an integer number (161352).

2⁸⁰⁶⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

806745 is a deficient number, since it is larger than the sum of its proper divisors (484071).

806745 is a wasteful number, since it uses less digits than its factorization.

806745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53791.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 806745 is about 898.1898463020. The cubic root of 806745 is about 93.0919428335.

It can be divided in two parts, 806 and 745, that added together give a palindrome (1551).

The spelling of 806745 in words is "eight hundred six thousand, seven hundred forty-five".