672368 has 10 divisors (see below), whose sum is σ = 1302744. Its totient is φ = 336176.

The previous prime is 672349. The next prime is 672377. The reversal of 672368 is 863276.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

672368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20996 + ... + 21027.

2⁶⁷²³⁶⁸ is an apocalyptic number.

It is an amenable number.

672368 is a deficient number, since it is larger than the sum of its proper divisors (630376).

672368 is a wasteful number, since it uses less digits than its factorization.

672368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42031 (or 42025 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 672368 is about 819.9804875727. The cubic root of 672368 is about 87.6063686007.

Adding to 672368 its sum of digits (32), we get a square (672400 = 820²).

The spelling of 672368 in words is "six hundred seventy-two thousand, three hundred sixty-eight".