34278213 has 4 divisors (see below), whose sum is σ = 45704288. Its totient is φ = 22852140.

The previous prime is 34278163. The next prime is 34278217. The reversal of 34278213 is 31287243.

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 not a de Polignac number, because 34278213 - 2⁶ = 34278149 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 (34278217) 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, 5713033 + ... + 5713038.

It is an arithmetic number, because the mean of its divisors is an integer number (11426072).

Almost surely, 2^34278213 is an apocalyptic number.

It is an amenable number.

34278213 is a deficient number, since it is larger than the sum of its proper divisors (11426075).

34278213 is a wasteful number, since it uses less digits than its factorization.

34278213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11426074.

The product of its digits is 8064, while the sum is 30.

The square root of 34278213 is about 5854.7598584400. The cubic root of 34278213 is about 324.8424103836.

The spelling of 34278213 in words is "thirty-four million, two hundred seventy-eight thousand, two hundred thirteen".