672734833 has 4 divisors (see below), whose sum is σ = 674188288. Its totient is φ = 671281380.

The previous prime is 672734831. The next prime is 672734857. The reversal of 672734833 is 338437276.

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 672734833 - 2¹ = 672734831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672734833.

It is not an unprimeable number, because it can be changed into a prime (672734831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726033 + ... + 726958.

It is an arithmetic number, because the mean of its divisors is an integer number (168547072).

Almost surely, 2^672734833 is an apocalyptic number.

It is an amenable number.

672734833 is a deficient number, since it is larger than the sum of its proper divisors (1453455).

672734833 is a wasteful number, since it uses less digits than its factorization.

672734833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453454.

The product of its digits is 508032, while the sum is 43.

The square root of 672734833 is about 25937.1323202855. The cubic root of 672734833 is about 876.2229790549. Note that the first 3 decimals are identical.

The spelling of 672734833 in words is "six hundred seventy-two million, seven hundred thirty-four thousand, eight hundred thirty-three".