747493 has 2 divisors, whose sum is σ = 747494. Its totient is φ = 747492.

The previous prime is 747463. The next prime is 747497. The reversal of 747493 is 394747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431649 + 315844 = 657^2 + 562^2 .

It is an emirp because it is prime and its reverse (394747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747493 - 2⁹ = 746981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373746 + 373747.

It is an arithmetic number, because the mean of its divisors is an integer number (373747).

2⁷⁴⁷⁴⁹³ is an apocalyptic number.

It is an amenable number.

747493 is a deficient number, since it is larger than the sum of its proper divisors (1).

747493 is an equidigital number, since it uses as much as digits as its factorization.

747493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 34.

The square root of 747493 is about 864.5767750755. The cubic root of 747493 is about 90.7546828275.

The spelling of 747493 in words is "seven hundred forty-seven thousand, four hundred ninety-three".