672533313 has 32 divisors (see below), whose sum is σ = 944627712. Its totient is φ = 425088000.

The previous prime is 672533299. The next prime is 672533341. The reversal of 672533313 is 313335276.

It is not a de Polignac number, because 672533313 - 2²⁸ = 404097857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (672531313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165281 + ... + 1165857.

It is an arithmetic number, because the mean of its divisors is an integer number (29519616).

Almost surely, 2^672533313 is an apocalyptic number.

It is an amenable number.

672533313 is a deficient number, since it is larger than the sum of its proper divisors (272094399).

672533313 is a wasteful number, since it uses less digits than its factorization.

672533313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its digits is 34020, while the sum is 33.

The square root of 672533313 is about 25933.2472513567. The cubic root of 672533313 is about 876.1354784626.

Adding to 672533313 its reverse (313335276), we get a palindrome (985868589).

The spelling of 672533313 in words is "six hundred seventy-two million, five hundred thirty-three thousand, three hundred thirteen".