85070 has 16 divisors (see below), whose sum is σ = 157248. Its totient is φ = 33120.

The previous prime is 85061. The next prime is 85081. The reversal of 85070 is 7058.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

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, 380 + ... + 560.

It is an arithmetic number, because the mean of its divisors is an integer number (9828).

2⁸⁵⁰⁷⁰ is an apocalyptic number.

85070 is a deficient number, since it is larger than the sum of its proper divisors (72178).

85070 is a wasteful number, since it uses less digits than its factorization.

85070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 85070 is about 291.6676190461. The cubic root of 85070 is about 43.9803631383.

The spelling of 85070 in words is "eighty-five thousand, seventy".