85729230 has 24 divisors (see below), whose sum is σ = 222896232. Its totient is φ = 22861104.

The previous prime is 85729219. The next prime is 85729253. The reversal of 85729230 is 3292758.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476184 + ... + 476363.

It is an arithmetic number, because the mean of its divisors is an integer number (9287343).

Almost surely, 2^85729230 is an apocalyptic number.

85729230 is an abundant number, since it is smaller than the sum of its proper divisors (137167002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85729230 is a wasteful number, since it uses less digits than its factorization.

85729230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952560 (or 952557 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 85729230 is about 9259.0080462218. The cubic root of 85729230 is about 440.9367611050.

The spelling of 85729230 in words is "eighty-five million, seven hundred twenty-nine thousand, two hundred thirty".