2173872930 has 32 divisors (see below), whose sum is σ = 5219817984. Its totient is φ = 579419136.

The previous prime is 2173872889. The next prime is 2173872947. The reversal of 2173872930 is 392783712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49794 + ... + 82626.

It is an arithmetic number, because the mean of its divisors is an integer number (163119312).

Almost surely, 2^2173872930 is an apocalyptic number.

2173872930 is an abundant number, since it is smaller than the sum of its proper divisors (3045945054).

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

2173872930 is a wasteful number, since it uses less digits than its factorization.

2173872930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35050.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 2173872930 is about 46624.8102409007. The cubic root of 2173872930 is about 1295.4223474960.

The spelling of 2173872930 in words is "two billion, one hundred seventy-three million, eight hundred seventy-two thousand, nine hundred thirty".