7730423 has 2 divisors, whose sum is σ = 7730424. Its totient is φ = 7730422.

The previous prime is 7730417. The next prime is 7730431. The reversal of 7730423 is 3240377.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7730423 - 2⁸ = 7730167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7730392 and 7730401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7730413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3865211 + 3865212.

It is an arithmetic number, because the mean of its divisors is an integer number (3865212).

Almost surely, 2^7730423 is an apocalyptic number.

7730423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7730423 is an equidigital number, since it uses as much as digits as its factorization.

7730423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 7730423 is about 2780.3638251135. The cubic root of 7730423 is about 197.7278084869.

The spelling of 7730423 in words is "seven million, seven hundred thirty thousand, four hundred twenty-three".