1672143674 has 8 divisors (see below), whose sum is σ = 2508591540. Its totient is φ = 835946496.

The previous prime is 1672143673. The next prime is 1672143719. The reversal of 1672143674 is 4763412761.

It can be written as a sum of positive squares in 2 ways, for example, as 1637416225 + 34727449 = 40465^2 + 5893^2 .

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

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

It is not an unprimeable number, because it can be changed into a prime (1672143673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44999 + ... + 73274.

Almost surely, 2^1672143674 is an apocalyptic number.

1672143674 is a deficient number, since it is larger than the sum of its proper divisors (836447866).

1672143674 is a wasteful number, since it uses less digits than its factorization.

1672143674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125344.

The product of its digits is 169344, while the sum is 41.

The square root of 1672143674 is about 40891.8533940441. The cubic root of 1672143674 is about 1186.9284234918.

The spelling of 1672143674 in words is "one billion, six hundred seventy-two million, one hundred forty-three thousand, six hundred seventy-four".