722660036 has 18 divisors (see below), whose sum is σ = 1471129758. Its totient is φ = 309711360.

The previous prime is 722660017. The next prime is 722660039. The reversal of 722660036 is 630066227.

It can be written as a sum of positive squares in only one way, i.e., 674440900 + 48219136 = 25970^2 + 6944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 722659984 and 722660011.

It is not an unprimeable number, because it can be changed into a prime (722660039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1843325 + ... + 1843716.

It is an arithmetic number, because the mean of its divisors is an integer number (81729431).

Almost surely, 2^722660036 is an apocalyptic number.

It is an amenable number.

722660036 is an abundant number, since it is smaller than the sum of its proper divisors (748469722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722660036 is a wasteful number, since it uses less digits than its factorization.

722660036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687059 (or 3687050 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 722660036 is about 26882.3368775856. The cubic root of 722660036 is about 897.3833611352.

The spelling of 722660036 in words is "seven hundred twenty-two million, six hundred sixty thousand, thirty-six".