85437273 has 8 divisors (see below), whose sum is σ = 113987200. Its totient is φ = 56922768.

The previous prime is 85437269. The next prime is 85437293. The reversal of 85437273 is 37273458.

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

It is not a de Polignac number, because 85437273 - 2² = 85437269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85437293) 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, 2593 + ... + 13326.

It is an arithmetic number, because the mean of its divisors is an integer number (14248400).

Almost surely, 2^85437273 is an apocalyptic number.

It is an amenable number.

85437273 is a deficient number, since it is larger than the sum of its proper divisors (28549927).

85437273 is a wasteful number, since it uses less digits than its factorization.

85437273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17711.

The product of its digits is 141120, while the sum is 39.

The square root of 85437273 is about 9243.2284944169. The cubic root of 85437273 is about 440.4356446272.

The spelling of 85437273 in words is "eighty-five million, four hundred thirty-seven thousand, two hundred seventy-three".