672520461322 has 4 divisors (see below), whose sum is σ = 1008780691986. Its totient is φ = 336260230660.

The previous prime is 672520461317. The next prime is 672520461337. The reversal of 672520461322 is 223164025276.

It is a happy number.

672520461322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 456909754401 + 215610706921 = 675951^2 + 464339^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168130115329 + ... + 168130115332.

Almost surely, 2^672520461322 is an apocalyptic number.

672520461322 is a deficient number, since it is larger than the sum of its proper divisors (336260230664).

672520461322 is a wasteful number, since it uses less digits than its factorization.

672520461322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336260230663.

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 672520461322 its reverse (223164025276), we get a palindrome (895684486598).

The spelling of 672520461322 in words is "six hundred seventy-two billion, five hundred twenty million, four hundred sixty-one thousand, three hundred twenty-two".