34193873728 has 28 divisors (see below), whose sum is σ = 77546821792. Its totient is φ = 14654517120.

The previous prime is 34193873723. The next prime is 34193873783. The reversal of 34193873728 is 82737839143.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34193873723) 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, 38162358 + ... + 38163253.

Almost surely, 2^34193873728 is an apocalyptic number.

It is an amenable number.

34193873728 is an abundant number, since it is smaller than the sum of its proper divisors (43352948064).

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

34193873728 is an equidigital number, since it uses as much as digits as its factorization.

34193873728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76325630 (or 76325620 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 55.

The spelling of 34193873728 in words is "thirty-four billion, one hundred ninety-three million, eight hundred seventy-three thousand, seven hundred twenty-eight".