722340066746557 has 8 divisors (see below), whose sum is σ = 825550766763200. Its totient is φ = 619134182207424.

The previous prime is 722340066746527. The next prime is 722340066746611. The reversal of 722340066746557 is 755647660043227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722340066746557 - 2²⁷ = 722339932528829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722340066746527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203547932 + ... + 1204147957.

It is an arithmetic number, because the mean of its divisors is an integer number (103193845845400).

Almost surely, 2^{722340066746557} is an apocalyptic number.

It is an amenable number.

722340066746557 is a deficient number, since it is larger than the sum of its proper divisors (103210700016643).

722340066746557 is a wasteful number, since it uses less digits than its factorization.

722340066746557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407738755.

The product of its (nonzero) digits is 355622400, while the sum is 64.

The spelling of 722340066746557 in words is "seven hundred twenty-two trillion, three hundred forty billion, sixty-six million, seven hundred forty-six thousand, five hundred fifty-seven".