1742369 has 2 divisors, whose sum is σ = 1742370. Its totient is φ = 1742368.

The previous prime is 1742359. The next prime is 1742383. The reversal of 1742369 is 9632471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1721344 + 21025 = 1312^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1742369 - 2¹² = 1738273 is a prime.

It is a super-2 number, since 2×1742369² = 6071699464322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1742309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871184 + 871185.

It is an arithmetic number, because the mean of its divisors is an integer number (871185).

2^1742369 is an apocalyptic number.

It is an amenable number.

1742369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742369 is an equidigital number, since it uses as much as digits as its factorization.

1742369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 1742369 is about 1319.9882575235. The cubic root of 1742369 is about 120.3316980328.

The spelling of 1742369 in words is "one million, seven hundred forty-two thousand, three hundred sixty-nine".