740473 has 2 divisors, whose sum is σ = 740474. Its totient is φ = 740472.

The previous prime is 740461. The next prime is 740477. The reversal of 740473 is 374047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619369 + 121104 = 787^2 + 348^2 .

It is an emirp because it is prime and its reverse (374047) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740473 is a prime.

It is not a weakly prime, because it can be changed into another prime (740477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370236 + 370237.

It is an arithmetic number, because the mean of its divisors is an integer number (370237).

2⁷⁴⁰⁴⁷³ is an apocalyptic number.

It is an amenable number.

740473 is a deficient number, since it is larger than the sum of its proper divisors (1).

740473 is an equidigital number, since it uses as much as digits as its factorization.

740473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 740473 is about 860.5074084515. The cubic root of 740473 is about 90.4696845034.

The spelling of 740473 in words is "seven hundred forty thousand, four hundred seventy-three", and thus it is an iban number.