83579573 has 16 divisors (see below), whose sum is σ = 106630656. Its totient is φ = 63609840.

The previous prime is 83579563. The next prime is 83579581. The reversal of 83579573 is 37597538.

It is not a de Polignac number, because 83579573 - 2¹⁴ = 83563189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83579513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9311 + ... + 15932.

It is an arithmetic number, because the mean of its divisors is an integer number (6664416).

Almost surely, 2^83579573 is an apocalyptic number.

It is an amenable number.

83579573 is a deficient number, since it is larger than the sum of its proper divisors (23051083).

83579573 is a wasteful number, since it uses less digits than its factorization.

83579573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25304.

The product of its digits is 793800, while the sum is 47.

The square root of 83579573 is about 9142.1864452657. The cubic root of 83579573 is about 437.2200296381.

It can be divided in two parts, 835 and 79573, that added together give a palindrome (80408).

The spelling of 83579573 in words is "eighty-three million, five hundred seventy-nine thousand, five hundred seventy-three".