722750029 has 8 divisors (see below), whose sum is σ = 736853112. Its totient is φ = 708664320.

The previous prime is 722750023. The next prime is 722750047. The reversal of 722750029 is 920057227.

It can be written as a sum of positive squares in 4 ways, for example, as 91584900 + 631165129 = 9570^2 + 25123^2 .

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 722750029 - 2¹⁷ = 722618957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722749976 and 722750003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722750023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107017 + ... + 113569.

It is an arithmetic number, because the mean of its divisors is an integer number (92106639).

Almost surely, 2^722750029 is an apocalyptic number.

It is an amenable number.

722750029 is a deficient number, since it is larger than the sum of its proper divisors (14103083).

722750029 is a wasteful number, since it uses less digits than its factorization.

722750029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8687.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 722750029 is about 26884.0106568942. The cubic root of 722750029 is about 897.4206100326.

The spelling of 722750029 in words is "seven hundred twenty-two million, seven hundred fifty thousand, twenty-nine".