34921779 has 12 divisors (see below), whose sum is σ = 48116808. Its totient is φ = 22528320.

The previous prime is 34921769. The next prime is 34921801. The reversal of 34921779 is 97712943.

34921779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34921779 - 2⁴ = 34921763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34921779.

It is not an unprimeable number, because it can be changed into a prime (34921769) 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 11 ways as a sum of consecutive naturals, for example, 3174 + ... + 8939.

It is an arithmetic number, because the mean of its divisors is an integer number (4009734).

Almost surely, 2^34921779 is an apocalyptic number.

34921779 is a deficient number, since it is larger than the sum of its proper divisors (13195029).

34921779 is a wasteful number, since it uses less digits than its factorization.

34921779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12178 (or 12147 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 34921779 is about 5909.4652042296. The cubic root of 34921779 is about 326.8627672804.

The spelling of 34921779 in words is "thirty-four million, nine hundred twenty-one thousand, seven hundred seventy-nine".