34172293 has 4 divisors (see below), whose sum is σ = 34184160. Its totient is φ = 34160428.

The previous prime is 34172291. The next prime is 34172309. The reversal of 34172293 is 39227143.

It is the 2387-th star number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39227143 = 17 ⋅2307479.

It is a cyclic number.

It is not a de Polignac number, because 34172293 - 2¹ = 34172291 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 (34172291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446 + ... + 8392.

It is an arithmetic number, because the mean of its divisors is an integer number (8546040).

Almost surely, 2^34172293 is an apocalyptic number.

It is an amenable number.

34172293 is a deficient number, since it is larger than the sum of its proper divisors (11867).

34172293 is an equidigital number, since it uses as much as digits as its factorization.

34172293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11866.

The product of its digits is 9072, while the sum is 31.

The square root of 34172293 is about 5845.7072283856. The cubic root of 34172293 is about 324.5074764640.

The spelling of 34172293 in words is "thirty-four million, one hundred seventy-two thousand, two hundred ninety-three".