1673679 has 8 divisors (see below), whose sum is σ = 2550400. Its totient is φ = 956376.

The previous prime is 1673669. The next prime is 1673681. The reversal of 1673679 is 9763761.

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

It is not a de Polignac number, because 1673679 - 2⁴ = 1673663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673629) 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, 39829 + ... + 39870.

It is an arithmetic number, because the mean of its divisors is an integer number (318800).

2^1673679 is an apocalyptic number.

1673679 is a deficient number, since it is larger than the sum of its proper divisors (876721).

1673679 is an equidigital number, since it uses as much as digits as its factorization.

1673679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79709.

The product of its digits is 47628, while the sum is 39.

The square root of 1673679 is about 1293.7074630688. The cubic root of 1673679 is about 118.7291582998.

The spelling of 1673679 in words is "one million, six hundred seventy-three thousand, six hundred seventy-nine".