867073 has 4 divisors (see below), whose sum is σ = 873540. Its totient is φ = 860608.

The previous prime is 867067. The next prime is 867079. The reversal of 867073 is 370768.

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

It is an interprime number because it is at equal distance from previous prime (867067) and next prime (867079).

It can be written as a sum of positive squares in 2 ways, for example, as 588289 + 278784 = 767^2 + 528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-867073 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

867073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (867079) 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, 3028 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (218385).

2⁸⁶⁷⁰⁷³ is an apocalyptic number.

It is an amenable number.

867073 is a deficient number, since it is larger than the sum of its proper divisors (6467).

867073 is a wasteful number, since it uses less digits than its factorization.

867073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 867073 is about 931.1675466853. The cubic root of 867073 is about 95.3568481070.

It can be divided in two parts, 8 and 67073, that added together give a square (67081 = 259²).

The spelling of 867073 in words is "eight hundred sixty-seven thousand, seventy-three".