7490443 has 2 divisors, whose sum is σ = 7490444. Its totient is φ = 7490442.

The previous prime is 7490423. The next prime is 7490453. The reversal of 7490443 is 3440947.

It is a strong prime.

It is an emirp because it is prime and its reverse (3440947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7490443 - 2⁵ = 7490411 is a prime.

It is a super-2 number, since 2×7490443² = 112213472672498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7490423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3745221 + 3745222.

It is an arithmetic number, because the mean of its divisors is an integer number (3745222).

Almost surely, 2^7490443 is an apocalyptic number.

7490443 is a deficient number, since it is larger than the sum of its proper divisors (1).

7490443 is an equidigital number, since it uses as much as digits as its factorization.

7490443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7490443 is about 2736.8673698227. The cubic root of 7490443 is about 195.6602036289.

It can be divided in two parts, 74904 and 43, that added together give a palindrome (74947).

The spelling of 7490443 in words is "seven million, four hundred ninety thousand, four hundred forty-three".