7325236821 has 24 divisors (see below), whose sum is σ = 11365298400. Its totient is φ = 4184484192.

The previous prime is 7325236813. The next prime is 7325236823. The reversal of 7325236821 is 1286325237.

It is not a de Polignac number, because 7325236821 - 2³ = 7325236813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7325236821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7325236823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 596475 + ... + 608631.

It is an arithmetic number, because the mean of its divisors is an integer number (473554100).

Almost surely, 2^7325236821 is an apocalyptic number.

It is an amenable number.

7325236821 is a deficient number, since it is larger than the sum of its proper divisors (4040061579).

7325236821 is a wasteful number, since it uses less digits than its factorization.

7325236821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16273 (or 16266 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 7325236821 is about 85587.5973549906. The cubic root of 7325236821 is about 1942.1102927330.

The spelling of 7325236821 in words is "seven billion, three hundred twenty-five million, two hundred thirty-six thousand, eight hundred twenty-one".