672930211 has 4 divisors (see below), whose sum is σ = 691117552. Its totient is φ = 654742872.

The previous prime is 672930199. The next prime is 672930217. The reversal of 672930211 is 112039276.

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 672930211 - 2⁵ = 672930179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672930217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9093615 + ... + 9093688.

It is an arithmetic number, because the mean of its divisors is an integer number (172779388).

Almost surely, 2^672930211 is an apocalyptic number.

672930211 is a deficient number, since it is larger than the sum of its proper divisors (18187341).

672930211 is a wasteful number, since it uses less digits than its factorization.

672930211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18187340.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 672930211 is about 25940.8984231464. The cubic root of 672930211 is about 876.3077960905.

Adding to 672930211 its reverse (112039276), we get a palindrome (784969487).

The spelling of 672930211 in words is "six hundred seventy-two million, nine hundred thirty thousand, two hundred eleven".