1670327 has 2 divisors, whose sum is σ = 1670328. Its totient is φ = 1670326.

The previous prime is 1670303. The next prime is 1670341. The reversal of 1670327 is 7230761.

It is a strong prime.

It is an emirp because it is prime and its reverse (7230761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670327 is a prime.

It is a Chen prime.

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

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 1670296 and 1670305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1670527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835163 + 835164.

It is an arithmetic number, because the mean of its divisors is an integer number (835164).

2^1670327 is an apocalyptic number.

1670327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670327 is an equidigital number, since it uses as much as digits as its factorization.

1670327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 1670327 is about 1292.4113122377. The cubic root of 1670327 is about 118.6498427874.

The spelling of 1670327 in words is "one million, six hundred seventy thousand, three hundred twenty-seven".