7672425209 has 2 divisors, whose sum is σ = 7672425210. Its totient is φ = 7672425208.

The previous prime is 7672425157. The next prime is 7672425239. The reversal of 7672425209 is 9025242767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6233892025 + 1438533184 = 78955^2 + 37928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7672425209 is a prime.

It is a super-2 number, since 2×7672425209² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7672425209.

It is not a weakly prime, because it can be changed into another prime (7672425239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3836212604 + 3836212605.

It is an arithmetic number, because the mean of its divisors is an integer number (3836212605).

Almost surely, 2^7672425209 is an apocalyptic number.

It is an amenable number.

7672425209 is a deficient number, since it is larger than the sum of its proper divisors (1).

7672425209 is an equidigital number, since it uses as much as digits as its factorization.

7672425209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 7672425209 is about 87592.3809985777. The cubic root of 7672425209 is about 1972.3207988359.

The spelling of 7672425209 in words is "seven billion, six hundred seventy-two million, four hundred twenty-five thousand, two hundred nine".