34020379 has 4 divisors (see below), whose sum is σ = 34288384. Its totient is φ = 33752376.

The previous prime is 34020373. The next prime is 34020391. The reversal of 34020379 is 97302043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97302043 = 197 ⋅493919.

It is a cyclic number.

It is not a de Polignac number, because 34020379 - 2²⁵ = 465947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34020373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133812 + ... + 134065.

It is an arithmetic number, because the mean of its divisors is an integer number (8572096).

Almost surely, 2^34020379 is an apocalyptic number.

34020379 is a deficient number, since it is larger than the sum of its proper divisors (268005).

34020379 is a wasteful number, since it uses less digits than its factorization.

34020379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268004.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 34020379 is about 5832.6991179042. The cubic root of 34020379 is about 324.0258927384.

The spelling of 34020379 in words is "thirty-four million, twenty thousand, three hundred seventy-nine".