672836493 has 72 divisors (see below), whose sum is σ = 1139708160. Its totient is φ = 351630720.

The previous prime is 672836473. The next prime is 672836497. The reversal of 672836493 is 394638276.

It is not a de Polignac number, because 672836493 - 2⁸ = 672836237 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 (672836497) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1644873 + ... + 1645281.

It is an arithmetic number, because the mean of its divisors is an integer number (15829280).

Almost surely, 2^672836493 is an apocalyptic number.

It is an amenable number.

672836493 is a deficient number, since it is larger than the sum of its proper divisors (466871667).

672836493 is a wasteful number, since it uses less digits than its factorization.

672836493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 469 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The square root of 672836493 is about 25939.0919848787. The cubic root of 672836493 is about 876.2671135029.

The spelling of 672836493 in words is "six hundred seventy-two million, eight hundred thirty-six thousand, four hundred ninety-three".