85091734 has 24 divisors (see below), whose sum is σ = 159900048. Its totient is φ = 33662160.

The previous prime is 85091731. The next prime is 85091737. The reversal of 85091734 is 43719058.

It is an interprime number because it is at equal distance from previous prime (85091731) and next prime (85091737).

It is a junction number, because it is equal to n+sod(n) for n = 85091693 and 85091702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85091731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32122 + ... + 34669.

It is an arithmetic number, because the mean of its divisors is an integer number (6662502).

Almost surely, 2^85091734 is an apocalyptic number.

85091734 is a deficient number, since it is larger than the sum of its proper divisors (74808314).

85091734 is a wasteful number, since it uses less digits than its factorization.

85091734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66820 (or 66813 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 85091734 is about 9224.5180903937. The cubic root of 85091734 is about 439.8410824168.

The spelling of 85091734 in words is "eighty-five million, ninety-one thousand, seven hundred thirty-four".