1672469 has 2 divisors, whose sum is σ = 1672470. Its totient is φ = 1672468.

The previous prime is 1672457. The next prime is 1672471. The reversal of 1672469 is 9642761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970225 + 702244 = 985^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672469 - 2⁴ = 1672453 is a prime.

It is a super-2 number, since 2×1672469² = 5594305111922, which contains 22 as substring.

Together with 1672471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1672499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836234 + 836235.

It is an arithmetic number, because the mean of its divisors is an integer number (836235).

2^1672469 is an apocalyptic number.

It is an amenable number.

1672469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672469 is an equidigital number, since it uses as much as digits as its factorization.

1672469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 1672469 is about 1293.2397302898. The cubic root of 1672469 is about 118.7005393281.

The spelling of 1672469 in words is "one million, six hundred seventy-two thousand, four hundred sixty-nine".