83074209 has 4 divisors (see below), whose sum is σ = 110765616. Its totient is φ = 55382804.

The previous prime is 83074177. The next prime is 83074247. The reversal of 83074209 is 90247038.

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 83074209 - 2⁵ = 83074177 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 83074209.

It is not an unprimeable number, because it can be changed into a prime (83074609) 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, 13845699 + ... + 13845704.

It is an arithmetic number, because the mean of its divisors is an integer number (27691404).

Almost surely, 2^83074209 is an apocalyptic number.

It is an amenable number.

83074209 is a deficient number, since it is larger than the sum of its proper divisors (27691407).

83074209 is a wasteful number, since it uses less digits than its factorization.

83074209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27691406.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 83074209 is about 9114.5054171908. The cubic root of 83074209 is about 436.3370303893.

The spelling of 83074209 in words is "eighty-three million, seventy-four thousand, two hundred nine".