85174670 has 32 divisors (see below), whose sum is σ = 180873216. Its totient is φ = 28260000.

The previous prime is 85174619. The next prime is 85174673. The reversal of 85174670 is 7647158.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85174673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17456 + ... + 21795.

It is an arithmetic number, because the mean of its divisors is an integer number (5652288).

Almost surely, 2^85174670 is an apocalyptic number.

85174670 is an abundant number, since it is smaller than the sum of its proper divisors (95698546).

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

85174670 is a wasteful number, since it uses less digits than its factorization.

85174670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39296.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 85174670 is about 9229.0124065362. The cubic root of 85174670 is about 439.9839353639.

The spelling of 85174670 in words is "eighty-five million, one hundred seventy-four thousand, six hundred seventy".