7332143521 has 8 divisors (see below), whose sum is σ = 7478964000. Its totient is φ = 7186074720.

The previous prime is 7332143471. The next prime is 7332143549. The reversal of 7332143521 is 1253412337.

7332143521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7332143521 - 2⁷ = 7332143393 is a prime.

It is a super-2 number, since 2×7332143521² (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 (7332143561) 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, 168196 + ... + 207253.

It is an arithmetic number, because the mean of its divisors is an integer number (934870500).

Almost surely, 2^7332143521 is an apocalyptic number.

It is an amenable number.

7332143521 is a deficient number, since it is larger than the sum of its proper divisors (146820479).

7332143521 is a wasteful number, since it uses less digits than its factorization.

7332143521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375839.

The product of its digits is 15120, while the sum is 31.

The square root of 7332143521 is about 85627.9365686223. The cubic root of 7332143521 is about 1942.7204827728.

Adding to 7332143521 its reverse (1253412337), we get a palindrome (8585555858).

The spelling of 7332143521 in words is "seven billion, three hundred thirty-two million, one hundred forty-three thousand, five hundred twenty-one".