810007 has 4 divisors (see below), whose sum is σ = 883656. Its totient is φ = 736360.

The previous prime is 809993. The next prime is 810013. The reversal of 810007 is 700018.

810007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-810007 is a prime.

It is a super-2 number, since 2×810007² = 1312222680098, which contains 22 as substring.

It is a Duffinian number.

810007 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810307) 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, 36808 + ... + 36829.

It is an arithmetic number, because the mean of its divisors is an integer number (220914).

2⁸¹⁰⁰⁰⁷ is an apocalyptic number.

810007 is a deficient number, since it is larger than the sum of its proper divisors (73649).

810007 is a wasteful number, since it uses less digits than its factorization.

810007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73648.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 810007 is about 900.0038888805. The cubic root of 810007 is about 93.2172437041.

The spelling of 810007 in words is "eight hundred ten thousand, seven".