7900007 has 2 divisors, whose sum is σ = 7900008. Its totient is φ = 7900006.

The previous prime is 7900001. The next prime is 7900033. The reversal of 7900007 is 7000097.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7900007 - 2⁸ = 7899751 is a prime.

It is a super-2 number, since 2×7900007² = 124820221200098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7900001) 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, 3950003 + 3950004.

It is an arithmetic number, because the mean of its divisors is an integer number (3950004).

Almost surely, 2^7900007 is an apocalyptic number.

7900007 is a deficient number, since it is larger than the sum of its proper divisors (1).

7900007 is an equidigital number, since it uses as much as digits as its factorization.

7900007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 7900007 is about 2810.6951097549. The cubic root of 7900007 is about 199.1632289535.

The spelling of 7900007 in words is "seven million, nine hundred thousand, seven".