34821568 has 28 divisors (see below), whose sum is σ = 69796152. Its totient is φ = 17235200.

The previous prime is 34821539. The next prime is 34821569. The reversal of 34821568 is 86512843.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34821569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3771 + ... + 9157.

Almost surely, 2^34821568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34821568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34898076).

34821568 is an abundant number, since it is smaller than the sum of its proper divisors (34974584).

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

34821568 is a wasteful number, since it uses less digits than its factorization.

34821568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500 (or 5490 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 34821568 is about 5900.9802575504. The cubic root of 34821568 is about 326.5498142840.

It can be divided in two parts, 3482 and 1568, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 34821568 in words is "thirty-four million, eight hundred twenty-one thousand, five hundred sixty-eight".