672223130 has 16 divisors (see below), whose sum is σ = 1210756680. Its totient is φ = 268721472.

The previous prime is 672223121. The next prime is 672223147. The reversal of 672223130 is 31322276.

It can be written as a sum of positive squares in 4 ways, for example, as 649689121 + 22534009 = 25489^2 + 4747^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 672223130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3449 + ... + 36828.

Almost surely, 2^672223130 is an apocalyptic number.

672223130 is a deficient number, since it is larger than the sum of its proper divisors (538533550).

672223130 is a wasteful number, since it uses less digits than its factorization.

672223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41953.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 672223130 is about 25927.2661497505. The cubic root of 672223130 is about 876.0007619031. Note that the first 3 decimals are identical.

The spelling of 672223130 in words is "six hundred seventy-two million, two hundred twenty-three thousand, one hundred thirty".