672347 has 4 divisors (see below), whose sum is σ = 724080. Its totient is φ = 620616.

The previous prime is 672341. The next prime is 672349. The reversal of 672347 is 743276.

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

It is a cyclic number.

It is not a de Polignac number, because 672347 - 2⁶ = 672283 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (672341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25847 + ... + 25872.

It is an arithmetic number, because the mean of its divisors is an integer number (181020).

2⁶⁷²³⁴⁷ is an apocalyptic number.

672347 is a deficient number, since it is larger than the sum of its proper divisors (51733).

672347 is a wasteful number, since it uses less digits than its factorization.

672347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51732.

The product of its digits is 7056, while the sum is 29.

The square root of 672347 is about 819.9676822900. The cubic root of 672347 is about 87.6054565244.

The spelling of 672347 in words is "six hundred seventy-two thousand, three hundred forty-seven".