7324008721 has 8 divisors (see below), whose sum is σ = 7437268800. Its totient is φ = 7210864848.

The previous prime is 7324008707. The next prime is 7324008779. The reversal of 7324008721 is 1278004237.

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

It is a cyclic number.

It is not a de Polignac number, because 7324008721 - 2⁵ = 7324008689 is a prime.

It is a super-2 number, since 2×7324008721² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7324018721) 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 in 7 ways as a sum of consecutive naturals, for example, 102540 + ... + 158626.

It is an arithmetic number, because the mean of its divisors is an integer number (929658600).

Almost surely, 2^7324008721 is an apocalyptic number.

It is an amenable number.

7324008721 is a deficient number, since it is larger than the sum of its proper divisors (113260079).

7324008721 is a wasteful number, since it uses less digits than its factorization.

7324008721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58103.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 7324008721 is about 85580.4225334276. The cubic root of 7324008721 is about 1942.0017529451.

The spelling of 7324008721 in words is "seven billion, three hundred twenty-four million, eight thousand, seven hundred twenty-one".