2172070692 has 72 divisors (see below), whose sum is σ = 5995866240. Its totient is φ = 657520320.

The previous prime is 2172070687. The next prime is 2172070717. The reversal of 2172070692 is 2960702712.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 484453 + ... + 488915.

It is an arithmetic number, because the mean of its divisors is an integer number (83275920).

Almost surely, 2^2172070692 is an apocalyptic number.

2172070692 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2172070692 is an abundant number, since it is smaller than the sum of its proper divisors (3823795548).

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

2172070692 is a wasteful number, since it uses less digits than its factorization.

2172070692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713 (or 5708 counting only the distinct ones).

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

The square root of 2172070692 is about 46605.4792057758. The cubic root of 2172070692 is about 1295.0642608104.

The spelling of 2172070692 in words is "two billion, one hundred seventy-two million, seventy thousand, six hundred ninety-two".