34779 has 4 divisors (see below), whose sum is σ = 46376. Its totient is φ = 23184.

The previous prime is 34763. The next prime is 34781. The reversal of 34779 is 97743.

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

It is not a de Polignac number, because 34779 - 2⁴ = 34763 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (34729) 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, 5794 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (11594).

2³⁴⁷⁷⁹ is an apocalyptic number.

34779 is a deficient number, since it is larger than the sum of its proper divisors (11597).

34779 is a wasteful number, since it uses less digits than its factorization.

34779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596.

The product of its digits is 5292, while the sum is 30.

The square root of 34779 is about 186.4912866597. The cubic root of 34779 is about 32.6416695248.

It can be divided in two parts, 3477 and 9, that added together give a triangular number (3486 = T₈₃).

The spelling of 34779 in words is "thirty-four thousand, seven hundred seventy-nine".