2172070629 has 12 divisors (see below), whose sum is σ = 3137844736. Its totient is φ = 1447858152.

The previous prime is 2172070627. The next prime is 2172070651. The reversal of 2172070629 is 9260702712.

2172070629 is a `hidden beast` number, since 2 + 1 + 7 + 20 + 7 + 0 + 629 = 666.

2172070629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2172070629 - 2¹ = 2172070627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2172070593 and 2172070602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172070627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109494 + ... + 127800.

Almost surely, 2^2172070629 is an apocalyptic number.

It is an amenable number.

2172070629 is a deficient number, since it is larger than the sum of its proper divisors (965774107).

2172070629 is a wasteful number, since it uses less digits than its factorization.

2172070629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31496 (or 31493 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2172070629 is about 46605.4785298896. The cubic root of 2172070629 is about 1295.0642482895.

The spelling of 2172070629 in words is "two billion, one hundred seventy-two million, seventy thousand, six hundred twenty-nine".