7352687872528 has 20 divisors (see below), whose sum is σ = 14349816937980. Its totient is φ = 3649509307904.

The previous prime is 7352687872513. The next prime is 7352687872571. The reversal of 7352687872528 is 8252787862537.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3812615518464 + 3540072354064 = 1952592^2 + 1881508^2 .

It is a super-2 number, since 2×7352687872528² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677162013 + ... + 1677166396.

It is an arithmetic number, because the mean of its divisors is an integer number (717490846899).

Almost surely, 2^{7352687872528} is an apocalyptic number.

It is an amenable number.

7352687872528 is a deficient number, since it is larger than the sum of its proper divisors (6997129065452).

7352687872528 is a wasteful number, since it uses less digits than its factorization.

7352687872528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354328554 (or 3354328548 counting only the distinct ones).

The product of its digits is 632217600, while the sum is 70.

Subtracting 7352687872528 from its reverse (8252787862537), we obtain a palindrome (900099990009).

The spelling of 7352687872528 in words is "seven trillion, three hundred fifty-two billion, six hundred eighty-seven million, eight hundred seventy-two thousand, five hundred twenty-eight".