722669376 has 112 divisors (see below), whose sum is σ = 2246424768. Its totient is φ = 202137600.

The previous prime is 722669369. The next prime is 722669377. The reversal of 722669376 is 673966227.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722669377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14296 + ... + 40616.

It is an arithmetic number, because the mean of its divisors is an integer number (20057364).

Almost surely, 2^722669376 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 722669376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123212384).

722669376 is an abundant number, since it is smaller than the sum of its proper divisors (1523755392).

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

722669376 is a wasteful number, since it uses less digits than its factorization.

722669376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26360 (or 26350 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 48.

The square root of 722669376 is about 26882.5105970406. The cubic root of 722669376 is about 897.3872271875.

The spelling of 722669376 in words is "seven hundred twenty-two million, six hundred sixty-nine thousand, three hundred seventy-six".