1675679 has 2 divisors, whose sum is σ = 1675680. Its totient is φ = 1675678.

The previous prime is 1675637. The next prime is 1675697. The reversal of 1675679 is 9765761.

Together with next prime (1675697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (9765761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1675679 is a prime.

It is a super-2 number, since 2×1675679² = 5615800222082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1675279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837839 + 837840.

It is an arithmetic number, because the mean of its divisors is an integer number (837840).

2^1675679 is an apocalyptic number.

1675679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1675679 is an equidigital number, since it uses as much as digits as its factorization.

1675679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 41.

The square root of 1675679 is about 1294.4802045609. The cubic root of 1675679 is about 118.7764321586.

The spelling of 1675679 in words is "one million, six hundred seventy-five thousand, six hundred seventy-nine".