7740023 has 2 divisors, whose sum is σ = 7740024. Its totient is φ = 7740022.

The previous prime is 7740001. The next prime is 7740037. The reversal of 7740023 is 3200477.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7740023 - 2⁶ = 7739959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7740323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3870011 + 3870012.

It is an arithmetic number, because the mean of its divisors is an integer number (3870012).

Almost surely, 2^7740023 is an apocalyptic number.

7740023 is a deficient number, since it is larger than the sum of its proper divisors (1).

7740023 is an equidigital number, since it uses as much as digits as its factorization.

7740023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 7740023 is about 2782.0896822353. The cubic root of 7740023 is about 197.8096238352.

The spelling of 7740023 in words is "seven million, seven hundred forty thousand, twenty-three".