34678357 has 4 divisors (see below), whose sum is σ = 39632416. Its totient is φ = 29724300.

The previous prime is 34678331. The next prime is 34678381. The reversal of 34678357 is 75387643.

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 34678357 - 2¹¹ = 34676309 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 (34678307) 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, 2477019 + ... + 2477032.

It is an arithmetic number, because the mean of its divisors is an integer number (9908104).

Almost surely, 2^34678357 is an apocalyptic number.

It is an amenable number.

34678357 is a deficient number, since it is larger than the sum of its proper divisors (4954059).

34678357 is an equidigital number, since it uses as much as digits as its factorization.

34678357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954058.

The product of its digits is 423360, while the sum is 43.

The square root of 34678357 is about 5888.8332460684. The cubic root of 34678357 is about 326.1015309734.

The spelling of 34678357 in words is "thirty-four million, six hundred seventy-eight thousand, three hundred fifty-seven".