810712 has 32 divisors (see below), whose sum is σ = 1797120. Its totient is φ = 335520.

The previous prime is 810697. The next prime is 810737. The reversal of 810712 is 217018.

It is a self number, because there is not a number n which added to its sum of digits gives 810712.

It is a congruent number.

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, 1503 + ... + 1969.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2⁸¹⁰⁷¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 810712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898560).

810712 is an abundant number, since it is smaller than the sum of its proper divisors (986408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

810712 is a wasteful number, since it uses less digits than its factorization.

810712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 810712 is about 900.3954686692. The cubic root of 810712 is about 93.2442801370.

The spelling of 810712 in words is "eight hundred ten thousand, seven hundred twelve".