7128772730524 has 12 divisors (see below), whose sum is σ = 12480133957200. Its totient is φ = 3563020171328.

The previous prime is 7128772730507. The next prime is 7128772730539. The reversal of 7128772730524 is 4250372778217.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341536744 + ... + 341557615.

It is an arithmetic number, because the mean of its divisors is an integer number (1040011163100).

Almost surely, 2^{7128772730524} is an apocalyptic number.

It is an amenable number.

7128772730524 is a deficient number, since it is larger than the sum of its proper divisors (5351361226676).

7128772730524 is a wasteful number, since it uses less digits than its factorization.

7128772730524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683096972 (or 683096970 counting only the distinct ones).

The product of its (nonzero) digits is 9219840, while the sum is 55.

The spelling of 7128772730524 in words is "seven trillion, one hundred twenty-eight billion, seven hundred seventy-two million, seven hundred thirty thousand, five hundred twenty-four".