672406611 has 4 divisors (see below), whose sum is σ = 896542152. Its totient is φ = 448271072.

The previous prime is 672406607. The next prime is 672406649. The reversal of 672406611 is 116604276.

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 672406611 - 2² = 672406607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672406711) 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, 112067766 + ... + 112067771.

It is an arithmetic number, because the mean of its divisors is an integer number (224135538).

Almost surely, 2^672406611 is an apocalyptic number.

672406611 is a deficient number, since it is larger than the sum of its proper divisors (224135541).

672406611 is a wasteful number, since it uses less digits than its factorization.

672406611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224135540.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 672406611 is about 25930.8042875650. The cubic root of 672406611 is about 876.0804551217.

The spelling of 672406611 in words is "six hundred seventy-two million, four hundred six thousand, six hundred eleven".