2173722932 has 6 divisors (see below), whose sum is σ = 3804015138. Its totient is φ = 1086861464.

The previous prime is 2173722919. The next prime is 2173722961. The reversal of 2173722932 is 2392273712.

It can be written as a sum of positive squares in only one way, i.e., 1391737636 + 781985296 = 37306^2 + 27964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271715363 + ... + 271715370.

It is an arithmetic number, because the mean of its divisors is an integer number (634002523).

Almost surely, 2^2173722932 is an apocalyptic number.

It is an amenable number.

2173722932 is a deficient number, since it is larger than the sum of its proper divisors (1630292206).

2173722932 is a wasteful number, since it uses less digits than its factorization.

2173722932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543430737 (or 543430735 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 2173722932 is about 46623.2016489644. The cubic root of 2173722932 is about 1295.3925519442.

The spelling of 2173722932 in words is "two billion, one hundred seventy-three million, seven hundred twenty-two thousand, nine hundred thirty-two".