34157279 has 4 divisors (see below), whose sum is σ = 36784776. Its totient is φ = 31529784.

The previous prime is 34157261. The next prime is 34157303. The reversal of 34157279 is 97275143.

34157279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 34157279 - 2⁸ = 34157023 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 (34157209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313729 + ... + 1313754.

It is an arithmetic number, because the mean of its divisors is an integer number (9196194).

Almost surely, 2^34157279 is an apocalyptic number.

34157279 is a deficient number, since it is larger than the sum of its proper divisors (2627497).

34157279 is a wasteful number, since it uses less digits than its factorization.

34157279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627496.

The product of its digits is 52920, while the sum is 38.

The square root of 34157279 is about 5844.4228970874. The cubic root of 34157279 is about 324.4599441062.

The spelling of 34157279 in words is "thirty-four million, one hundred fifty-seven thousand, two hundred seventy-nine".