7375009 has 2 divisors, whose sum is σ = 7375010. Its totient is φ = 7375008.

The previous prime is 7374989. The next prime is 7375013. The reversal of 7375009 is 9005737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 2985984 = 2095^2 + 1728^2 .

It is a cyclic number.

It is not a de Polignac number, because 7375009 - 2¹¹ = 7372961 is a prime.

It is not a weakly prime, because it can be changed into another prime (7375079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3687504 + 3687505.

It is an arithmetic number, because the mean of its divisors is an integer number (3687505).

Almost surely, 2^7375009 is an apocalyptic number.

It is an amenable number.

7375009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7375009 is an equidigital number, since it uses as much as digits as its factorization.

7375009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 7375009 is about 2715.6967798339. The cubic root of 7375009 is about 194.6498999732.

The spelling of 7375009 in words is "seven million, three hundred seventy-five thousand, nine".