672785369 has 8 divisors (see below), whose sum is σ = 677932800. Its totient is φ = 667656000.

The previous prime is 672785363. The next prime is 672785371. The reversal of 672785369 is 963587276.

672785369 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672785369 is a prime.

It is a super-2 number, since 2×672785369² = 905280305480932322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672785369.

It is not an unprimeable number, because it can be changed into a prime (672785363) 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, 75584 + ... + 84014.

It is an arithmetic number, because the mean of its divisors is an integer number (84741600).

Almost surely, 2^672785369 is an apocalyptic number.

It is an amenable number.

672785369 is a deficient number, since it is larger than the sum of its proper divisors (5147431).

672785369 is a wasteful number, since it uses less digits than its factorization.

672785369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031.

The product of its digits is 3810240, while the sum is 53.

The square root of 672785369 is about 25938.1065037524. The cubic root of 672785369 is about 876.2449191981.

The spelling of 672785369 in words is "six hundred seventy-two million, seven hundred eighty-five thousand, three hundred sixty-nine".