7490423 has 2 divisors, whose sum is σ = 7490424. Its totient is φ = 7490422.

The previous prime is 7490419. The next prime is 7490443. The reversal of 7490423 is 3240947.

It is a weak prime.

It is an emirp because it is prime and its reverse (3240947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7490423 - 2² = 7490419 is a prime.

It is a super-2 number, since 2×7490423² = 112212873437858, which contains 22 as substring.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7490443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3745211 + 3745212.

It is an arithmetic number, because the mean of its divisors is an integer number (3745212).

Almost surely, 2^7490423 is an apocalyptic number.

7490423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7490423 is an equidigital number, since it uses as much as digits as its factorization.

7490423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7490423 is about 2736.8637160078. The cubic root of 7490423 is about 195.6600294867.

The spelling of 7490423 in words is "seven million, four hundred ninety thousand, four hundred twenty-three".