85170342 has 16 divisors (see below), whose sum is σ = 171470592. Its totient is φ = 28201800.

The previous prime is 85170317. The next prime is 85170353. The reversal of 85170342 is 24307158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46098 + ... + 47909.

It is an arithmetic number, because the mean of its divisors is an integer number (10716912).

Almost surely, 2^85170342 is an apocalyptic number.

85170342 is an abundant number, since it is smaller than the sum of its proper divisors (86300250).

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

85170342 is a wasteful number, since it uses less digits than its factorization.

85170342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94163.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 85170342 is about 9228.7779255977. Note that the first 3 decimals coincide. The cubic root of 85170342 is about 439.9764829029.

The spelling of 85170342 in words is "eighty-five million, one hundred seventy thousand, three hundred forty-two".