672428872 has 16 divisors (see below), whose sum is σ = 1261456560. Its totient is φ = 336040464.

The previous prime is 672428849. The next prime is 672428873. The reversal of 672428872 is 278824276.

It is not an unprimeable number, because it can be changed into a prime (672428873) 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, 4518 + ... + 36949.

It is an arithmetic number, because the mean of its divisors is an integer number (78841035).

Almost surely, 2^672428872 is an apocalyptic number.

It is an amenable number.

672428872 is a deficient number, since it is larger than the sum of its proper divisors (589027688).

672428872 is a wasteful number, since it uses less digits than its factorization.

672428872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43500 (or 43496 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 672428872 is about 25931.2335225303. The cubic root of 672428872 is about 876.0901229881.

The spelling of 672428872 in words is "six hundred seventy-two million, four hundred twenty-eight thousand, eight hundred seventy-two".