7625939 has 2 divisors, whose sum is σ = 7625940. Its totient is φ = 7625938.

The previous prime is 7625923. The next prime is 7625941. The reversal of 7625939 is 9395267.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7625939 - 2⁴ = 7625923 is a prime.

It is a Sophie Germain prime.

Together with 7625941, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 7⁸ + 6⁸ + 2⁹ + 5⁵ + 9 + 3¹¹ + 9³ .

It is a junction number, because it is equal to n+sod(n) for n = 7625896 and 7625905.

It is not a weakly prime, because it can be changed into another prime (7625339) 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, 3812969 + 3812970.

It is an arithmetic number, because the mean of its divisors is an integer number (3812970).

Almost surely, 2^7625939 is an apocalyptic number.

7625939 is a deficient number, since it is larger than the sum of its proper divisors (1).

7625939 is an equidigital number, since it uses as much as digits as its factorization.

7625939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 41.

The square root of 7625939 is about 2761.5102751936. The cubic root of 7625939 is about 196.8329383226.

The spelling of 7625939 in words is "seven million, six hundred twenty-five thousand, nine hundred thirty-nine".