2172064735 has 16 divisors (see below), whose sum is σ = 2628662400. Its totient is φ = 1722895776.

The previous prime is 2172064717. The next prime is 2172064747. The reversal of 2172064735 is 5374602712.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2172064735 - 2⁷ = 2172064607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2172064694 and 2172064703.

It is a congruent number.

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, 706672 + ... + 709738.

It is an arithmetic number, because the mean of its divisors is an integer number (164291400).

Almost surely, 2^2172064735 is an apocalyptic number.

2172064735 is a deficient number, since it is larger than the sum of its proper divisors (456597665).

2172064735 is a wasteful number, since it uses less digits than its factorization.

2172064735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 2172064735 is about 46605.4152969373. The cubic root of 2172064735 is about 1295.0630768857.

The spelling of 2172064735 in words is "two billion, one hundred seventy-two million, sixty-four thousand, seven hundred thirty-five".