34826778 has 96 divisors (see below), whose sum is σ = 93000960. Its totient is φ = 9192960.

The previous prime is 34826747. The next prime is 34826819. The reversal of 34826778 is 87762843.

It is a happy number.

It is a super-2 number, since 2×34826778² = 2425808931722568, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 151968 + ... + 152196.

It is an arithmetic number, because the mean of its divisors is an integer number (968760).

Almost surely, 2^34826778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34826778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46500480).

34826778 is an abundant number, since it is smaller than the sum of its proper divisors (58174182).

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

34826778 is a wasteful number, since it uses less digits than its factorization.

34826778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 329 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 34826778 is about 5901.4216931177. The cubic root of 34826778 is about 326.5660995902.

The spelling of 34826778 in words is "thirty-four million, eight hundred twenty-six thousand, seven hundred seventy-eight".