7742923 has 2 divisors, whose sum is σ = 7742924. Its totient is φ = 7742922.

The previous prime is 7742887. The next prime is 7742941. The reversal of 7742923 is 3292477.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7742923 - 2⁹ = 7742411 is a prime.

It is not a weakly prime, because it can be changed into another prime (7742993) 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, 3871461 + 3871462.

It is an arithmetic number, because the mean of its divisors is an integer number (3871462).

Almost surely, 2^7742923 is an apocalyptic number.

7742923 is a deficient number, since it is larger than the sum of its proper divisors (1).

7742923 is an equidigital number, since it uses as much as digits as its factorization.

7742923 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 7742923 is about 2782.6108243878. The cubic root of 7742923 is about 197.8343255827.

The spelling of 7742923 in words is "seven million, seven hundred forty-two thousand, nine hundred twenty-three".