85745170 has 32 divisors (see below), whose sum is σ = 182476800. Its totient is φ = 28383936.

The previous prime is 85745147. The next prime is 85745171. The reversal of 85745170 is 7154758.

It is not an unprimeable number, because it can be changed into a prime (85745171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19090 + ... + 23149.

It is an arithmetic number, because the mean of its divisors is an integer number (5702400).

Almost surely, 2^85745170 is an apocalyptic number.

85745170 is an abundant number, since it is smaller than the sum of its proper divisors (96731630).

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

85745170 is a wasteful number, since it uses less digits than its factorization.

85745170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42282.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 85745170 is about 9259.8687895672. The cubic root of 85745170 is about 440.9640878266.

The spelling of 85745170 in words is "eighty-five million, seven hundred forty-five thousand, one hundred seventy".