672811206 has 16 divisors (see below), whose sum is σ = 1359495984. Its totient is φ = 221958144.

The previous prime is 672811201. The next prime is 672811207. The reversal of 672811206 is 602118276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672811201) 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 7 ways as a sum of consecutive naturals, for example, 577435 + ... + 578598.

It is an arithmetic number, because the mean of its divisors is an integer number (84968499).

Almost surely, 2^672811206 is an apocalyptic number.

672811206 is an abundant number, since it is smaller than the sum of its proper divisors (686684778).

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

672811206 is a wasteful number, since it uses less digits than its factorization.

672811206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156135.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 672811206 is about 25938.6045499753. The cubic root of 672811206 is about 876.2561358759.

The spelling of 672811206 in words is "six hundred seventy-two million, eight hundred eleven thousand, two hundred six".