85704573 has 24 divisors (see below), whose sum is σ = 123042720. Its totient is φ = 52902720.

The previous prime is 85704571. The next prime is 85704587. The reversal of 85704573 is 37540758.

It is not a de Polignac number, because 85704573 - 2¹ = 85704571 is a prime.

It is a super-2 number, since 2×85704573² = 14690547666224658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85704571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 545811 + ... + 545967.

It is an arithmetic number, because the mean of its divisors is an integer number (5126780).

Almost surely, 2^85704573 is an apocalyptic number.

It is an amenable number.

85704573 is a deficient number, since it is larger than the sum of its proper divisors (37338147).

85704573 is a wasteful number, since it uses less digits than its factorization.

85704573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 85704573 is about 9257.6764363419. The cubic root of 85704573 is about 440.8944837307.

The spelling of 85704573 in words is "eighty-five million, seven hundred four thousand, five hundred seventy-three".