873073 has 2 divisors, whose sum is σ = 873074. Its totient is φ = 873072.

The previous prime is 873049. The next prime is 873079. The reversal of 873073 is 370378.

873073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685584 + 187489 = 828^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 873073 - 2⁹ = 872561 is a prime.

It is not a weakly prime, because it can be changed into another prime (873079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436536 + 436537.

It is an arithmetic number, because the mean of its divisors is an integer number (436537).

2⁸⁷³⁰⁷³ is an apocalyptic number.

It is an amenable number.

873073 is a deficient number, since it is larger than the sum of its proper divisors (1).

873073 is an equidigital number, since it uses as much as digits as its factorization.

873073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 873073 is about 934.3837541396. The cubic root of 873073 is about 95.5762938483.

It can be divided in two parts, 87 and 3073, that added together give a triangular number (3160 = T₇₉).

The spelling of 873073 in words is "eight hundred seventy-three thousand, seventy-three".