672510338 has 4 divisors (see below), whose sum is σ = 1008765510. Its totient is φ = 336255168.

The previous prime is 672510337. The next prime is 672510343. The reversal of 672510338 is 833015276.

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., 346816129 + 325694209 = 18623^2 + 18047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 672510298 and 672510307.

It is not an unprimeable number, because it can be changed into a prime (672510337) 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 as a sum of consecutive naturals, namely, 168127583 + ... + 168127586.

Almost surely, 2^672510338 is an apocalyptic number.

672510338 is a deficient number, since it is larger than the sum of its proper divisors (336255172).

672510338 is a wasteful number, since it uses less digits than its factorization.

672510338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336255171.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 672510338 is about 25932.8042833782. The cubic root of 672510338 is about 876.1255015383.

The spelling of 672510338 in words is "six hundred seventy-two million, five hundred ten thousand, three hundred thirty-eight".