722660633 has 8 divisors (see below), whose sum is σ = 766421352. Its totient is φ = 679038976.

The previous prime is 722660581. The next prime is 722660639. The reversal of 722660633 is 336066227.

722660633 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 33965584 + 688695049 = 5828^2 + 26243^2 .

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 722660633 - 2⁶ = 722660569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722660593 and 722660602.

It is not an unprimeable number, because it can be changed into a prime (722660639) 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, 23960 + ... + 44937.

It is an arithmetic number, because the mean of its divisors is an integer number (95802669).

Almost surely, 2^722660633 is an apocalyptic number.

It is an amenable number.

722660633 is a deficient number, since it is larger than the sum of its proper divisors (43760719).

722660633 is a wasteful number, since it uses less digits than its factorization.

722660633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69531.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 722660633 is about 26882.3479815287. The cubic root of 722660633 is about 897.3836082489.

The spelling of 722660633 in words is "seven hundred twenty-two million, six hundred sixty thousand, six hundred thirty-three".