7298725609 has 8 divisors (see below), whose sum is σ = 8354924928. Its totient is φ = 6245907360.

The previous prime is 7298725573. The next prime is 7298725613. The reversal of 7298725609 is 9065278927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7298725609 - 2⁹ = 7298725097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7298725609.

It is not an unprimeable number, because it can be changed into a prime (7298725669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840637 + ... + 849274.

It is an arithmetic number, because the mean of its divisors is an integer number (1044365616).

Almost surely, 2^7298725609 is an apocalyptic number.

It is an amenable number.

7298725609 is a deficient number, since it is larger than the sum of its proper divisors (1056199319).

7298725609 is a wasteful number, since it uses less digits than its factorization.

7298725609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690535.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 7298725609 is about 85432.5793184310. The cubic root of 7298725609 is about 1939.7645238867.

It can be divided in two parts, 72987 and 25609, that added together give a square (98596 = 314²).

The spelling of 7298725609 in words is "seven billion, two hundred ninety-eight million, seven hundred twenty-five thousand, six hundred nine".