672517493 has 8 divisors (see below), whose sum is σ = 702426816. Its totient is φ = 642664000.

The previous prime is 672517481. The next prime is 672517523. The reversal of 672517493 is 394715276.

672517493 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 not a de Polignac number, because 672517493 - 2⁶ = 672517429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672517423) 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, 11693 + ... + 38493.

It is an arithmetic number, because the mean of its divisors is an integer number (87803352).

Almost surely, 2^672517493 is an apocalyptic number.

It is an amenable number.

672517493 is a deficient number, since it is larger than the sum of its proper divisors (29909323).

672517493 is a wasteful number, since it uses less digits than its factorization.

672517493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27915.

The product of its digits is 317520, while the sum is 44.

The square root of 672517493 is about 25932.9422356971. The cubic root of 672517493 is about 876.1286086309.

The spelling of 672517493 in words is "six hundred seventy-two million, five hundred seventeen thousand, four hundred ninety-three".