722839104 has 168 divisors, whose sum is σ = 2292446520. Its totient is φ = 216317952.

The previous prime is 722839093. The next prime is 722839111. The reversal of 722839104 is 401938227.

It can be written as a sum of positive squares in 4 ways, for example, as 117679104 + 605160000 = 10848^2 + 24600^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275752 + ... + 278360.

It is an arithmetic number, because the mean of its divisors is an integer number (13645515).

Almost surely, 2^722839104 is an apocalyptic number.

722839104 is a gapful number since it is divisible by the number (74) 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 722839104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146223260).

722839104 is an abundant number, since it is smaller than the sum of its proper divisors (1569607416).

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

722839104 is a wasteful number, since it uses less digits than its factorization.

722839104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 722839104 is about 26885.6672597129. The cubic root of 722839104 is about 897.4574759171.

The spelling of 722839104 in words is "seven hundred twenty-two million, eight hundred thirty-nine thousand, one hundred four".