722371608 has 160 divisors (see below), whose sum is σ = 2345967360. Its totient is φ = 203394240.

The previous prime is 722371567. The next prime is 722371619. The reversal of 722371608 is 806173227.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 320935 + ... + 323177.

It is an arithmetic number, because the mean of its divisors is an integer number (14662296).

Almost surely, 2^722371608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722371608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172983680).

722371608 is an abundant number, since it is smaller than the sum of its proper divisors (1623595752).

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

722371608 is a wasteful number, since it uses less digits than its factorization.

722371608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2326 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 722371608 is about 26876.9717044164. The cubic root of 722371608 is about 897.2639573964.

The spelling of 722371608 in words is "seven hundred twenty-two million, three hundred seventy-one thousand, six hundred eight".