672284243 has 4 divisors (see below), whose sum is σ = 673889160. Its totient is φ = 670679328.

The previous prime is 672284219. The next prime is 672284267. The reversal of 672284243 is 342482276.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (672284219) and next prime (672284267).

It is a cyclic number.

It is not a de Polignac number, because 672284243 - 2¹⁰ = 672283219 is a prime.

It is a super-2 number, since 2×672284243² = 903932206772166098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 672284197 and 672284206.

It is not an unprimeable number, because it can be changed into a prime (672284213) 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, 801830 + ... + 802667.

It is an arithmetic number, because the mean of its divisors is an integer number (168472290).

Almost surely, 2^672284243 is an apocalyptic number.

672284243 is a deficient number, since it is larger than the sum of its proper divisors (1604917).

672284243 is a wasteful number, since it uses less digits than its factorization.

672284243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604916.

The product of its digits is 129024, while the sum is 38.

The square root of 672284243 is about 25928.4446698987. Note that the first 3 decimals coincide. The cubic root of 672284243 is about 876.0273073610.

The spelling of 672284243 in words is "six hundred seventy-two million, two hundred eighty-four thousand, two hundred forty-three".