34213779 has 16 divisors (see below), whose sum is σ = 51645600. Its totient is φ = 22377888.

The previous prime is 34213771. The next prime is 34213783. The reversal of 34213779 is 97731243.

It is not a de Polignac number, because 34213779 - 2³ = 34213771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34213771) 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 15 ways as a sum of consecutive naturals, for example, 10524 + ... + 13385.

It is an arithmetic number, because the mean of its divisors is an integer number (3227850).

Almost surely, 2^34213779 is an apocalyptic number.

34213779 is a deficient number, since it is larger than the sum of its proper divisors (17431821).

34213779 is a wasteful number, since it uses less digits than its factorization.

34213779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23971 (or 23965 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 34213779 is about 5849.2545678915. The cubic root of 34213779 is about 324.6387433639.

The spelling of 34213779 in words is "thirty-four million, two hundred thirteen thousand, seven hundred seventy-nine".