7944513424 has 15 divisors (see below), whose sum is σ = 15393185563. Its totient is φ = 3972078448.

The previous prime is 7944513403. The next prime is 7944513443. The reversal of 7944513424 is 4243154497.

The square root of 7944513424 is 89132.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 345387 + ... + 367669.

Almost surely, 2^7944513424 is an apocalyptic number.

7944513424 is the 89132-nd square number.

It is an amenable number.

7944513424 is a deficient number, since it is larger than the sum of its proper divisors (7448672139).

7944513424 is an frugal number, since it uses more digits than its factorization.

7944513424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44574 (or 22285 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The cubic root of 7944513424 is about 1995.3653871443.

The spelling of 7944513424 in words is "seven billion, nine hundred forty-four million, five hundred thirteen thousand, four hundred twenty-four".