34123778 has 32 divisors (see below), whose sum is σ = 57576960. Its totient is φ = 15059520.

The previous prime is 34123741. The next prime is 34123781. The reversal of 34123778 is 87732143.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125783 + ... + 126053.

It is an arithmetic number, because the mean of its divisors is an integer number (1799280).

Almost surely, 2^34123778 is an apocalyptic number.

34123778 is a deficient number, since it is larger than the sum of its proper divisors (23453182).

34123778 is a wasteful number, since it uses less digits than its factorization.

34123778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482.

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

The square root of 34123778 is about 5841.5561282932. The cubic root of 34123778 is about 324.3538340913.

The spelling of 34123778 in words is "thirty-four million, one hundred twenty-three thousand, seven hundred seventy-eight".