672220706 has 8 divisors (see below), whose sum is σ = 1009930944. Its totient is φ = 335577060.

The previous prime is 672220669. The next prime is 672220711. The reversal of 672220706 is 607022276.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265070 + ... + 267593.

It is an arithmetic number, because the mean of its divisors is an integer number (126241368).

Almost surely, 2^672220706 is an apocalyptic number.

672220706 is a deficient number, since it is larger than the sum of its proper divisors (337710238).

672220706 is a wasteful number, since it uses less digits than its factorization.

672220706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533296.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 672220706 is about 25927.2194035535. The cubic root of 672220706 is about 875.9997089648. Note that the first 3 decimals are identical.

The spelling of 672220706 in words is "six hundred seventy-two million, two hundred twenty thousand, seven hundred six".