85018272 has 24 divisors (see below), whose sum is σ = 223173216. Its totient is φ = 28339392.

The previous prime is 85018261. The next prime is 85018279. The reversal of 85018272 is 27281058.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (85018279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442708 + ... + 442899.

It is an arithmetic number, because the mean of its divisors is an integer number (9298884).

Almost surely, 2^85018272 is an apocalyptic number.

It is an amenable number.

85018272 is an abundant number, since it is smaller than the sum of its proper divisors (138154944).

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

85018272 is a wasteful number, since it uses less digits than its factorization.

85018272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885620 (or 885612 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 85018272 is about 9220.5353423757. The cubic root of 85018272 is about 439.7144703985.

The spelling of 85018272 in words is "eighty-five million, eighteen thousand, two hundred seventy-two".