8739573 has 4 divisors (see below), whose sum is σ = 11652768. Its totient is φ = 5826380.

The previous prime is 8739529. The next prime is 8739583. The reversal of 8739573 is 3759378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8739573 - 2¹³ = 8731381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8739503) 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, 1456593 + ... + 1456598.

It is an arithmetic number, because the mean of its divisors is an integer number (2913192).

Almost surely, 2^8739573 is an apocalyptic number.

It is an amenable number.

8739573 is a deficient number, since it is larger than the sum of its proper divisors (2913195).

8739573 is a wasteful number, since it uses less digits than its factorization.

8739573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913194.

The product of its digits is 158760, while the sum is 42.

The square root of 8739573 is about 2956.2768814845. The cubic root of 8739573 is about 205.9823798044.

The spelling of 8739573 in words is "eight million, seven hundred thirty-nine thousand, five hundred seventy-three".