34678213 has 8 divisors (see below), whose sum is σ = 35772440. Its totient is φ = 33592320.

The previous prime is 34678201. The next prime is 34678223. The reversal of 34678213 is 31287643.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20223009 + 14455204 = 4497^2 + 3802^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34678213 - 2¹⁷ = 34547141 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 (34678223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6973 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (4471555).

Almost surely, 2^34678213 is an apocalyptic number.

It is an amenable number.

34678213 is a deficient number, since it is larger than the sum of its proper divisors (1094227).

34678213 is a wasteful number, since it uses less digits than its factorization.

34678213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167.

The product of its digits is 24192, while the sum is 34.

The square root of 34678213 is about 5888.8210195250. The cubic root of 34678213 is about 326.1010795998.

The spelling of 34678213 in words is "thirty-four million, six hundred seventy-eight thousand, two hundred thirteen".