7447493 has 2 divisors, whose sum is σ = 7447494. Its totient is φ = 7447492.

The previous prime is 7447483. The next prime is 7447499. The reversal of 7447493 is 3947447.

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., 7300804 + 146689 = 2702^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 7447493 - 2¹⁰ = 7446469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7447499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3723746 + 3723747.

It is an arithmetic number, because the mean of its divisors is an integer number (3723747).

Almost surely, 2^7447493 is an apocalyptic number.

It is an amenable number.

7447493 is a deficient number, since it is larger than the sum of its proper divisors (1).

7447493 is an equidigital number, since it uses as much as digits as its factorization.

7447493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 7447493 is about 2729.0095272827. The cubic root of 7447493 is about 195.2855164386.

The spelling of 7447493 in words is "seven million, four hundred forty-seven thousand, four hundred ninety-three".