7216772416757 has 16 divisors (see below), whose sum is σ = 7423481295360. Its totient is φ = 7013235052800.

The previous prime is 7216772416751. The next prime is 7216772416759. The reversal of 7216772416757 is 7576142776127.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7216772416757 - 2¹⁰ = 7216772415733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7216772416757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216772416751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375469 + ... + 4040477.

It is an arithmetic number, because the mean of its divisors is an integer number (463967580960).

Almost surely, 2^{7216772416757} is an apocalyptic number.

It is an amenable number.

7216772416757 is a deficient number, since it is larger than the sum of its proper divisors (206708878603).

7216772416757 is a wasteful number, since it uses less digits than its factorization.

7216772416757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665604.

The product of its digits is 48404160, while the sum is 62.

The spelling of 7216772416757 in words is "seven trillion, two hundred sixteen billion, seven hundred seventy-two million, four hundred sixteen thousand, seven hundred fifty-seven".