34578816 has 64 divisors (see below), whose sum is σ = 97271280. Its totient is φ = 10846208.

The previous prime is 34578811. The next prime is 34578829. The reversal of 34578816 is 61887543.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34578811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3880 + ... + 9176.

Almost surely, 2^34578816 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 34578816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48635640).

34578816 is an abundant number, since it is smaller than the sum of its proper divisors (62692464).

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

34578816 is a wasteful number, since it uses less digits than its factorization.

34578816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331 (or 5319 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 34578816 is about 5880.3754982144. The cubic root of 34578816 is about 325.7892172502.

The spelling of 34578816 in words is "thirty-four million, five hundred seventy-eight thousand, eight hundred sixteen".