34421779 has 8 divisors (see below), whose sum is σ = 39591008. Its totient is φ = 29315520.

The previous prime is 34421771. The next prime is 34421819. The reversal of 34421779 is 97712443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34421779 - 2³ = 34421771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34421771) 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 7 ways as a sum of consecutive naturals, for example, 14562 + ... + 16759.

It is an arithmetic number, because the mean of its divisors is an integer number (4948876).

Almost surely, 2^34421779 is an apocalyptic number.

34421779 is a deficient number, since it is larger than the sum of its proper divisors (5169229).

34421779 is a wasteful number, since it uses less digits than its factorization.

34421779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31485.

The product of its digits is 42336, while the sum is 37.

The square root of 34421779 is about 5867.0076700137. The cubic root of 34421779 is about 325.2952866585.

The spelling of 34421779 in words is "thirty-four million, four hundred twenty-one thousand, seven hundred seventy-nine".