672428806 has 8 divisors (see below), whose sum is σ = 1152735120. Its totient is φ = 288183768.

The previous prime is 672428789. The next prime is 672428807. The reversal of 672428806 is 608824276.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672428807) 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, 24015301 + ... + 24015328.

It is an arithmetic number, because the mean of its divisors is an integer number (144091890).

Almost surely, 2^672428806 is an apocalyptic number.

672428806 is a deficient number, since it is larger than the sum of its proper divisors (480306314).

672428806 is a wasteful number, since it uses less digits than its factorization.

672428806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48030638.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 672428806 is about 25931.2322499337. The cubic root of 672428806 is about 876.0900943248.

The spelling of 672428806 in words is "six hundred seventy-two million, four hundred twenty-eight thousand, eight hundred six".