872743 has 8 divisors (see below), whose sum is σ = 921600. Its totient is φ = 825240.

The previous prime is 872737. The next prime is 872747. The reversal of 872743 is 347278.

872743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 872743 - 2⁹ = 872231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a d-powerful number, because it can be written as 8⁵ + 7 + 7⁷ + 2⁵ + 4⁷ + 3² .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (115200).

2⁸⁷²⁷⁴³ is an apocalyptic number.

872743 is a deficient number, since it is larger than the sum of its proper divisors (48857).

872743 is a wasteful number, since it uses less digits than its factorization.

872743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its digits is 9408, while the sum is 31.

The square root of 872743 is about 934.2071504757. The cubic root of 872743 is about 95.5642505058.

The spelling of 872743 in words is "eight hundred seventy-two thousand, seven hundred forty-three".