34872223 has 4 divisors (see below), whose sum is σ = 34929360. Its totient is φ = 34815088.

The previous prime is 34872221. The next prime is 34872281. The reversal of 34872223 is 32227843.

34872223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34872223 - 2¹ = 34872221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34872221) 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, 27643 + ... + 28876.

It is an arithmetic number, because the mean of its divisors is an integer number (8732340).

Almost surely, 2^34872223 is an apocalyptic number.

34872223 is the 3157-th centered heptagonal number.

34872223 is a deficient number, since it is larger than the sum of its proper divisors (57137).

34872223 is an equidigital number, since it uses as much as digits as its factorization.

34872223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57136.

The product of its digits is 16128, while the sum is 31.

The square root of 34872223 is about 5905.2707812597. The cubic root of 34872223 is about 326.7080817731.

The spelling of 34872223 in words is "thirty-four million, eight hundred seventy-two thousand, two hundred twenty-three".