85727573 has 4 divisors (see below), whose sum is σ = 86201388. Its totient is φ = 85253760.

The previous prime is 85727539. The next prime is 85727591. The reversal of 85727573 is 37572758.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37572758 = 2 ⋅18786379.

It can be written as a sum of positive squares in 2 ways, for example, as 45252529 + 40475044 = 6727^2 + 6362^2 .

It is a cyclic number.

It is not a de Polignac number, because 85727573 - 2¹⁴ = 85711189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85727503) 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, 236636 + ... + 236997.

It is an arithmetic number, because the mean of its divisors is an integer number (21550347).

Almost surely, 2^85727573 is an apocalyptic number.

It is an amenable number.

85727573 is a deficient number, since it is larger than the sum of its proper divisors (473815).

85727573 is a wasteful number, since it uses less digits than its factorization.

85727573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473814.

The product of its digits is 411600, while the sum is 44.

The square root of 85727573 is about 9258.9185653617. The cubic root of 85727573 is about 440.9339202345.

The spelling of 85727573 in words is "eighty-five million, seven hundred twenty-seven thousand, five hundred seventy-three".