722630376 has 256 divisors, whose sum is σ = 2303078400. Its totient is φ = 208251648.

The previous prime is 722630369. The next prime is 722630383. The reversal of 722630376 is 673036227.

722630376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (722630369) and next prime (722630383).

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 722630376.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4327045 + ... + 4327211.

It is an arithmetic number, because the mean of its divisors is an integer number (8996400).

Almost surely, 2^722630376 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 722630376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151539200).

722630376 is an abundant number, since it is smaller than the sum of its proper divisors (1580448024).

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

722630376 is a wasteful number, since it uses less digits than its factorization.

722630376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 275 counting only the distinct ones).

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

The square root of 722630376 is about 26881.7852085757. The cubic root of 722630376 is about 897.3710839217.

The spelling of 722630376 in words is "seven hundred twenty-two million, six hundred thirty thousand, three hundred seventy-six".