85091073 has 8 divisors (see below), whose sum is σ = 114049536. Its totient is φ = 56430000.

The previous prime is 85091059. The next prime is 85091077. The reversal of 85091073 is 37019058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-85091073 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85091077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73678 + ... + 74823.

It is an arithmetic number, because the mean of its divisors is an integer number (14256192).

Almost surely, 2^85091073 is an apocalyptic number.

It is an amenable number.

85091073 is a deficient number, since it is larger than the sum of its proper divisors (28958463).

85091073 is a wasteful number, since it uses less digits than its factorization.

85091073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148695.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 85091073 is about 9224.4822618942. The cubic root of 85091073 is about 439.8399435059.

The spelling of 85091073 in words is "eighty-five million, ninety-one thousand, seventy-three".