722120710013775 has 72 divisors (see below), whose sum is σ = 1321760532578304. Its totient is φ = 376696212379200.

The previous prime is 722120710013669. The next prime is 722120710013819. The reversal of 722120710013775 is 577310017021227.

722120710013775 is a `hidden beast` number, since 72 + 2 + 1 + 207 + 1 + 0 + 0 + 1 + 377 + 5 = 666.

722120710013775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722120710013775 - 2¹⁴ = 722120709997391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 722120710013775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5217631 + ... + 38359680.

Almost surely, 2^{722120710013775} is an apocalyptic number.

722120710013775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

722120710013775 is a deficient number, since it is larger than the sum of its proper divisors (599639822564529).

722120710013775 is a wasteful number, since it uses less digits than its factorization.

722120710013775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43578941 (or 43578933 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 45.

The spelling of 722120710013775 in words is "seven hundred twenty-two trillion, one hundred twenty billion, seven hundred ten million, thirteen thousand, seven hundred seventy-five".