85707270 has 48 divisors (see below), whose sum is σ = 243099792. Its totient is φ = 20777280.

The previous prime is 85707263. The next prime is 85707311. The reversal of 85707270 is 7270758.

It is a super-2 number, since 2×85707270² = 14691472261705800, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 42297 + ... + 44276.

It is an arithmetic number, because the mean of its divisors is an integer number (5064579).

Almost surely, 2^85707270 is an apocalyptic number.

85707270 is an abundant number, since it is smaller than the sum of its proper divisors (157392522).

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

85707270 is a wasteful number, since it uses less digits than its factorization.

85707270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86597 (or 86594 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 85707270 is about 9257.8220980963. The cubic root of 85707270 is about 440.8991084546.

The spelling of 85707270 in words is "eighty-five million, seven hundred seven thousand, two hundred seventy".