1672143 has 8 divisors (see below), whose sum is σ = 2432256. Its totient is φ = 1013400.

The previous prime is 1672129. The next prime is 1672199. The reversal of 1672143 is 3412761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1672143 - 2⁶ = 1672079 is a prime.

It is a super-3 number, since 3×1672143³ = 14026247568333324621, which contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25303 + ... + 25368.

It is an arithmetic number, because the mean of its divisors is an integer number (304032).

2^1672143 is an apocalyptic number.

1672143 is a deficient number, since it is larger than the sum of its proper divisors (760113).

1672143 is a wasteful number, since it uses less digits than its factorization.

1672143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50685.

The product of its digits is 1008, while the sum is 24.

The square root of 1672143 is about 1293.1136840974. The cubic root of 1672143 is about 118.6928264018.

The spelling of 1672143 in words is "one million, six hundred seventy-two thousand, one hundred forty-three".