672789929 has 8 divisors (see below), whose sum is σ = 770204160. Its totient is φ = 575701056.

The previous prime is 672789919. The next prime is 672789959. The reversal of 672789929 is 929987276.

672789929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 672789929 - 2¹² = 672785833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672789919) 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, 76889 + ... + 85190.

It is an arithmetic number, because the mean of its divisors is an integer number (96275520).

Almost surely, 2^672789929 is an apocalyptic number.

It is an amenable number.

672789929 is a deficient number, since it is larger than the sum of its proper divisors (97414231).

672789929 is a wasteful number, since it uses less digits than its factorization.

672789929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162679.

The product of its digits is 6858432, while the sum is 59.

The square root of 672789929 is about 25938.1944051624. The cubic root of 672789929 is about 876.2468988625.

The spelling of 672789929 in words is "six hundred seventy-two million, seven hundred eighty-nine thousand, nine hundred twenty-nine".