743173 has 2 divisors, whose sum is σ = 743174. Its totient is φ = 743172.

The previous prime is 743167. The next prime is 743177. The reversal of 743173 is 371347.

It is a happy number.

743173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 693889 + 49284 = 833^2 + 222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-743173 is a prime.

It is a super-2 number, since 2×743173² = 1104612215858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (743177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371586 + 371587.

It is an arithmetic number, because the mean of its divisors is an integer number (371587).

2⁷⁴³¹⁷³ is an apocalyptic number.

It is an amenable number.

743173 is a deficient number, since it is larger than the sum of its proper divisors (1).

743173 is an equidigital number, since it uses as much as digits as its factorization.

743173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 25.

The square root of 743173 is about 862.0748227387. The cubic root of 743173 is about 90.5795115351.

The spelling of 743173 in words is "seven hundred forty-three thousand, one hundred seventy-three", and thus it is an iban number.