672843370 has 8 divisors (see below), whose sum is σ = 1211118084. Its totient is φ = 269137344.

The previous prime is 672843361. The next prime is 672843373. The reversal of 672843370 is 73348276.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 659308329 + 13535041 = 25677^2 + 3679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (672843373) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33642159 + ... + 33642178.

Almost surely, 2^672843370 is an apocalyptic number.

672843370 is a deficient number, since it is larger than the sum of its proper divisors (538274714).

672843370 is a wasteful number, since it uses less digits than its factorization.

672843370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67284344.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 672843370 is about 25939.2245450784. The cubic root of 672843370 is about 876.2700989079.

The spelling of 672843370 in words is "six hundred seventy-two million, eight hundred forty-three thousand, three hundred seventy".