86745 has 8 divisors (see below), whose sum is σ = 138816. Its totient is φ = 46256.

The previous prime is 86743. The next prime is 86753. The reversal of 86745 is 54768.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86745 - 2¹ = 86743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86743) 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, 2877 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (17352).

2⁸⁶⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

86745 is a deficient number, since it is larger than the sum of its proper divisors (52071).

86745 is a wasteful number, since it uses less digits than its factorization.

86745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791.

The product of its digits is 6720, while the sum is 30.

The square root of 86745 is about 294.5250413802. The cubic root of 86745 is about 44.2671420067.

The spelling of 86745 in words is "eighty-six thousand, seven hundred forty-five".