858673073 has 4 divisors (see below), whose sum is σ = 861065280. Its totient is φ = 856280868.

The previous prime is 858673069. The next prime is 858673117. The reversal of 858673073 is 370376858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 858673073 - 2² = 858673069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (858670073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195565 + ... + 1196282.

It is an arithmetic number, because the mean of its divisors is an integer number (215266320).

Almost surely, 2^858673073 is an apocalyptic number.

It is an amenable number.

858673073 is a deficient number, since it is larger than the sum of its proper divisors (2392207).

858673073 is a wasteful number, since it uses less digits than its factorization.

858673073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392206.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 858673073 is about 29303.1239460915. The cubic root of 858673073 is about 950.4791942577.

The spelling of 858673073 in words is "eight hundred fifty-eight million, six hundred seventy-three thousand, seventy-three".