34321778 has 4 divisors (see below), whose sum is σ = 51482670. Its totient is φ = 17160888.

The previous prime is 34321757. The next prime is 34321789. The reversal of 34321778 is 87712343.

34321778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87712343 = 2749 ⋅31907.

It can be written as a sum of positive squares in only one way, i.e., 22877089 + 11444689 = 4783^2 + 3383^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8580443 + ... + 8580446.

Almost surely, 2^34321778 is an apocalyptic number.

34321778 is a deficient number, since it is larger than the sum of its proper divisors (17160892).

34321778 is a wasteful number, since it uses less digits than its factorization.

34321778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17160891.

The product of its digits is 28224, while the sum is 35.

The square root of 34321778 is about 5858.4791541833. The cubic root of 34321778 is about 324.9799687851.

The spelling of 34321778 in words is "thirty-four million, three hundred twenty-one thousand, seven hundred seventy-eight".