34322778 has 128 divisors (see below), whose sum is σ = 94464000. Its totient is φ = 9132912.

The previous prime is 34322773. The next prime is 34322789. The reversal of 34322778 is 87722343.

34322778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (34322773) 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 63 ways as a sum of consecutive naturals, for example, 581713 + ... + 581771.

It is an arithmetic number, because the mean of its divisors is an integer number (738000).

Almost surely, 2^34322778 is an apocalyptic number.

34322778 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34322778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47232000).

34322778 is an abundant number, since it is smaller than the sum of its proper divisors (60141222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34322778 is an equidigital number, since it uses as much as digits as its factorization.

34322778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 90 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 34322778 is about 5858.5644999437. The cubic root of 34322778 is about 324.9831249621.

The spelling of 34322778 in words is "thirty-four million, three hundred twenty-two thousand, seven hundred seventy-eight".