7719373197376 has 21 divisors (see below), whose sum is σ = 15318175295389. Its totient is φ = 3859675485184.

The previous prime is 7719373197307. The next prime is 7719373197379. The reversal of 7719373197376 is 6737913739177.

The square root of 7719373197376 is 2778376.

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

It can be written as a sum of positive squares in only one way, i.e., 7174469390400 + 544903806976 = 2678520^2 + 738176^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7719373197379) 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 2 ways as a sum of consecutive naturals, for example, 22053360 + ... + 22400656.

Almost surely, 2^{7719373197376} is an apocalyptic number.

7719373197376 is the 2778376-th square number.

It is an amenable number.

7719373197376 is a deficient number, since it is larger than the sum of its proper divisors (7598802098013).

7719373197376 is an frugal number, since it uses more digits than its factorization.

7719373197376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694606 (or 347299 counting only the distinct ones).

The product of its digits is 220541454, while the sum is 70.

The spelling of 7719373197376 in words is "seven trillion, seven hundred nineteen billion, three hundred seventy-three million, one hundred ninety-seven thousand, three hundred seventy-six".