86743273 has 4 divisors (see below), whose sum is σ = 86782788. Its totient is φ = 86703760.

The previous prime is 86743259. The next prime is 86743277. The reversal of 86743273 is 37234768.

It is a happy number.

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 28174864 + 58568409 = 5308^2 + 7653^2 .

It is a cyclic number.

It is not a de Polignac number, because 86743273 - 2¹³ = 86735081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86743277) 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, 16258 + ... + 20923.

It is an arithmetic number, because the mean of its divisors is an integer number (21695697).

Almost surely, 2^86743273 is an apocalyptic number.

It is an amenable number.

86743273 is a deficient number, since it is larger than the sum of its proper divisors (39515).

86743273 is a wasteful number, since it uses less digits than its factorization.

86743273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39514.

The product of its digits is 169344, while the sum is 40.

The square root of 86743273 is about 9313.6068738164. The cubic root of 86743273 is about 442.6684823431.

The spelling of 86743273 in words is "eighty-six million, seven hundred forty-three thousand, two hundred seventy-three".