2173694328 has 96 divisors (see below), whose sum is σ = 6352164000. Its totient is φ = 667540224.

The previous prime is 2173694279. The next prime is 2173694351. The reversal of 2173694328 is 8234963712.

2173694328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558726 + ... + 562602.

It is an arithmetic number, because the mean of its divisors is an integer number (66168375).

Almost surely, 2^2173694328 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 2173694328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3176082000).

2173694328 is an abundant number, since it is smaller than the sum of its proper divisors (4178469672).

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

2173694328 is a wasteful number, since it uses less digits than its factorization.

2173694328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501 (or 4494 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 2173694328 is about 46622.8948908152. The cubic root of 2173694328 is about 1295.3868698997.

The spelling of 2173694328 in words is "two billion, one hundred seventy-three million, six hundred ninety-four thousand, three hundred twenty-eight".