672818253 has 8 divisors (see below), whose sum is σ = 944306400. Its totient is φ = 424937808.

The previous prime is 672818243. The next prime is 672818269. The reversal of 672818253 is 352818276.

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

It is not a de Polignac number, because 672818253 - 2⁶ = 672818189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672818213) 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, 5901858 + ... + 5901971.

It is an arithmetic number, because the mean of its divisors is an integer number (118038300).

Almost surely, 2^672818253 is an apocalyptic number.

It is an amenable number.

672818253 is a deficient number, since it is larger than the sum of its proper divisors (271488147).

672818253 is a wasteful number, since it uses less digits than its factorization.

672818253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11803851.

The product of its digits is 161280, while the sum is 42.

The square root of 672818253 is about 25938.7403896180. The cubic root of 672818253 is about 876.2591951568.

The spelling of 672818253 in words is "six hundred seventy-two million, eight hundred eighteen thousand, two hundred fifty-three".