722330676 has 144 divisors (see below), whose sum is σ = 2007290880. Its totient is φ = 224570880.

The previous prime is 722330647. The next prime is 722330677. The reversal of 722330676 is 676033227.

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

It is a self number, because there is not a number n which added to its sum of digits gives 722330676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722330677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3781741 + ... + 3781931.

It is an arithmetic number, because the mean of its divisors is an integer number (13939520).

Almost surely, 2^722330676 is an apocalyptic number.

722330676 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722330676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003645440).

722330676 is an abundant number, since it is smaller than the sum of its proper divisors (1284960204).

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

722330676 is a wasteful number, since it uses less digits than its factorization.

722330676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 722330676 is about 26876.2102239136. The cubic root of 722330676 is about 897.2470097471.

The spelling of 722330676 in words is "seven hundred twenty-two million, three hundred thirty thousand, six hundred seventy-six".