1672343 has 4 divisors (see below), whose sum is σ = 1730040. Its totient is φ = 1614648.

The previous prime is 1672339. The next prime is 1672379. The reversal of 1672343 is 3432761.

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 1672343 - 2² = 1672339 is a prime.

It is a super-2 number, since 2×1672343² = 5593462219298, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672393) 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, 28805 + ... + 28862.

It is an arithmetic number, because the mean of its divisors is an integer number (432510).

2^1672343 is an apocalyptic number.

1672343 is a deficient number, since it is larger than the sum of its proper divisors (57697).

1672343 is an equidigital number, since it uses as much as digits as its factorization.

1672343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57696.

The product of its digits is 3024, while the sum is 26.

The square root of 1672343 is about 1293.1910145064. The cubic root of 1672343 is about 118.6975583773.

The spelling of 1672343 in words is "one million, six hundred seventy-two thousand, three hundred forty-three".