672342611 has 4 divisors (see below), whose sum is σ = 675156000. Its totient is φ = 669529224.

The previous prime is 672342551. The next prime is 672342613. The reversal of 672342611 is 116243276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672342611 - 2¹⁸ = 672080467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672342613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406336 + ... + 1406813.

It is an arithmetic number, because the mean of its divisors is an integer number (168789000).

Almost surely, 2^672342611 is an apocalyptic number.

672342611 is a deficient number, since it is larger than the sum of its proper divisors (2813389).

672342611 is a wasteful number, since it uses less digits than its factorization.

672342611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813388.

The product of its digits is 12096, while the sum is 32.

The square root of 672342611 is about 25929.5702046910. The cubic root of 672342611 is about 876.0526589801.

Adding to 672342611 its reverse (116243276), we get a palindrome (788585887).

The spelling of 672342611 in words is "six hundred seventy-two million, three hundred forty-two thousand, six hundred eleven".