1672379 has 2 divisors, whose sum is σ = 1672380. Its totient is φ = 1672378.

The previous prime is 1672339. The next prime is 1672381. The reversal of 1672379 is 9732761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1672379 - 2²⁰ = 623803 is a prime.

Together with 1672381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1672339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836189 + 836190.

It is an arithmetic number, because the mean of its divisors is an integer number (836190).

2^1672379 is an apocalyptic number.

1672379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672379 is an equidigital number, since it uses as much as digits as its factorization.

1672379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 35.

The square root of 1672379 is about 1293.2049334889. The cubic root of 1672379 is about 118.6984100928.

The spelling of 1672379 in words is "one million, six hundred seventy-two thousand, three hundred seventy-nine".