672223506 has 16 divisors (see below), whose sum is σ = 1344778848. Its totient is φ = 224019200.

The previous prime is 672223501. The next prime is 672223523. The reversal of 672223506 is 605322276.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (672223501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18226 + ... + 40946.

It is an arithmetic number, because the mean of its divisors is an integer number (84048678).

Almost surely, 2^672223506 is an apocalyptic number.

672223506 is an abundant number, since it is smaller than the sum of its proper divisors (672555342).

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

672223506 is a wasteful number, since it uses less digits than its factorization.

672223506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27657.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 672223506 is about 25927.2734008033. The cubic root of 672223506 is about 876.0009252299. Note that the first 3 decimals are identical.

The spelling of 672223506 in words is "six hundred seventy-two million, two hundred twenty-three thousand, five hundred six".