722036784 has 160 divisors (see below), whose sum is σ = 2376276480. Its totient is φ = 183914496.

The previous prime is 722036747. The next prime is 722036789. The reversal of 722036784 is 487630227.

It is not an unprimeable number, because it can be changed into a prime (722036789) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 105202 + ... + 111854.

It is an arithmetic number, because the mean of its divisors is an integer number (14851728).

Almost surely, 2^722036784 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 722036784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188138240).

722036784 is an abundant number, since it is smaller than the sum of its proper divisors (1654239696).

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

722036784 is a wasteful number, since it uses less digits than its factorization.

722036784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707 (or 6701 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 722036784 is about 26870.7421557351. The cubic root of 722036784 is about 897.1253067202.

It can be divided in two parts, 72203 and 6784, that added together give a palindrome (78987).

The spelling of 722036784 in words is "seven hundred twenty-two million, thirty-six thousand, seven hundred eighty-four".