722729041 has 8 divisors (see below), whose sum is σ = 779682024. Its totient is φ = 667380480.

The previous prime is 722729027. The next prime is 722729053. The reversal of 722729041 is 140927227.

It is a happy number.

722729041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 87890625 + 634838416 = 9375^2 + 25196^2 .

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 722729041 - 2¹³ = 722720849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722728988 and 722729006.

It is not an unprimeable number, because it can be changed into a prime (722729081) 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, 400170 + ... + 401971.

It is an arithmetic number, because the mean of its divisors is an integer number (97460253).

Almost surely, 2^722729041 is an apocalyptic number.

It is an amenable number.

722729041 is a deficient number, since it is larger than the sum of its proper divisors (56952983).

722729041 is a wasteful number, since it uses less digits than its factorization.

722729041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802211.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 722729041 is about 26883.6203105162. The cubic root of 722729041 is about 897.4119231906.

The spelling of 722729041 in words is "seven hundred twenty-two million, seven hundred twenty-nine thousand, forty-one".