731516232648 has 64 divisors (see below), whose sum is σ = 1836244163520. Its totient is φ = 242845286400.

The previous prime is 731516232647. The next prime is 731516232683. The reversal of 731516232648 is 846232615137.

It is a super-2 number, since 2×731516232648² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 731516232597 and 731516232606.

It is not an unprimeable number, because it can be changed into a prime (731516232647) 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 15 ways as a sum of consecutive naturals, for example, 63654183 + ... + 63665673.

It is an arithmetic number, because the mean of its divisors is an integer number (28691315055).

Almost surely, 2^731516232648 is an apocalyptic number.

It is an amenable number.

731516232648 is an abundant number, since it is smaller than the sum of its proper divisors (1104727930872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

731516232648 is a wasteful number, since it uses less digits than its factorization.

731516232648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22078 (or 22074 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The spelling of 731516232648 in words is "seven hundred thirty-one billion, five hundred sixteen million, two hundred thirty-two thousand, six hundred forty-eight".