2173694572 has 12 divisors (see below), whose sum is σ = 4347389200. Its totient is φ = 931583376.

The previous prime is 2173694561. The next prime is 2173694573. The reversal of 2173694572 is 2754963712.

2173694572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2173694572 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2173694573) 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, 38815947 + ... + 38816002.

Almost surely, 2^2173694572 is an apocalyptic number.

It is an amenable number.

2173694572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2173694572 is a wasteful number, since it uses less digits than its factorization.

2173694572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77631960 (or 77631958 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 2173694572 is about 46622.8975075552. The cubic root of 2173694572 is about 1295.3869183693.

The spelling of 2173694572 in words is "two billion, one hundred seventy-three million, six hundred ninety-four thousand, five hundred seventy-two".