672282385 has 4 divisors (see below), whose sum is σ = 806738868. Its totient is φ = 537825904.

The previous prime is 672282367. The next prime is 672282389. The reversal of 672282385 is 583282276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 466732816 + 205549569 = 21604^2 + 14337^2 .

It is a cyclic number.

It is not a de Polignac number, because 672282385 - 2¹⁹ = 671758097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672282389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67228234 + ... + 67228243.

It is an arithmetic number, because the mean of its divisors is an integer number (201684717).

Almost surely, 2^672282385 is an apocalyptic number.

It is an amenable number.

672282385 is a deficient number, since it is larger than the sum of its proper divisors (134456483).

672282385 is a wasteful number, since it uses less digits than its factorization.

672282385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134456482.

The product of its digits is 322560, while the sum is 43.

The square root of 672282385 is about 25928.4088404977. The cubic root of 672282385 is about 876.0265003312.

The spelling of 672282385 in words is "six hundred seventy-two million, two hundred eighty-two thousand, three hundred eighty-five".