33934573568 has 128 divisors (see below), whose sum is σ = 77970921600. Its totient is φ = 14467203072.

The previous prime is 33934573559. The next prime is 33934573571. The reversal of 33934573568 is 86537543933.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77299493 + ... + 77299931.

It is an arithmetic number, because the mean of its divisors is an integer number (609147825).

Almost surely, 2^33934573568 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 33934573568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38985460800).

33934573568 is an abundant number, since it is smaller than the sum of its proper divisors (44036348032).

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

33934573568 is an frugal number, since it uses more digits than its factorization.

33934573568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 785 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 56.

The spelling of 33934573568 in words is "thirty-three billion, nine hundred thirty-four million, five hundred seventy-three thousand, five hundred sixty-eight".