2172072635 has 8 divisors (see below), whose sum is σ = 2606750640. Its totient is φ = 1737482464.

The previous prime is 2172072611. The next prime is 2172072667. The reversal of 2172072635 is 5362702712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2172072635 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2172072595 and 2172072604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60836 + ... + 89694.

It is an arithmetic number, because the mean of its divisors is an integer number (325843830).

Almost surely, 2^2172072635 is an apocalyptic number.

2172072635 is a deficient number, since it is larger than the sum of its proper divisors (434678005).

2172072635 is a wasteful number, since it uses less digits than its factorization.

2172072635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43917.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 2172072635 is about 46605.5000509597. The cubic root of 2172072635 is about 1295.0646469718.

The spelling of 2172072635 in words is "two billion, one hundred seventy-two million, seventy-two thousand, six hundred thirty-five".