86725273 has 4 divisors (see below), whose sum is σ = 86878260. Its totient is φ = 86572288.

The previous prime is 86725267. The next prime is 86725333. The reversal of 86725273 is 37252768.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9935104 + 76790169 = 3152^2 + 8763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86725273 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86725673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75640 + ... + 76777.

It is an arithmetic number, because the mean of its divisors is an integer number (21719565).

Almost surely, 2^86725273 is an apocalyptic number.

It is an amenable number.

86725273 is a deficient number, since it is larger than the sum of its proper divisors (152987).

86725273 is a wasteful number, since it uses less digits than its factorization.

86725273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152986.

The product of its digits is 141120, while the sum is 40.

The square root of 86725273 is about 9312.6404955845. The cubic root of 86725273 is about 442.6378610103.

The spelling of 86725273 in words is "eighty-six million, seven hundred twenty-five thousand, two hundred seventy-three".