672305033 has 4 divisors (see below), whose sum is σ = 672827088. Its totient is φ = 671782980.

The previous prime is 672305009. The next prime is 672305047. The reversal of 672305033 is 330503276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 672305033 - 2⁸ = 672304777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 672304987 and 672305005.

It is not an unprimeable number, because it can be changed into a prime (672301033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259091 + ... + 261672.

It is an arithmetic number, because the mean of its divisors is an integer number (168206772).

Almost surely, 2^672305033 is an apocalyptic number.

It is an amenable number.

672305033 is a deficient number, since it is larger than the sum of its proper divisors (522055).

672305033 is a wasteful number, since it uses less digits than its factorization.

672305033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522054.

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 672305033 is about 25928.8455778502. The cubic root of 672305033 is about 876.0363374799.

The spelling of 672305033 in words is "six hundred seventy-two million, three hundred five thousand, thirty-three".