722333736 has 96 divisors (see below), whose sum is σ = 2016705600. Its totient is φ = 233422080.

The previous prime is 722333693. The next prime is 722333761. The reversal of 722333736 is 637333227.

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 722333736.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527725 + ... + 529091.

It is an arithmetic number, because the mean of its divisors is an integer number (21007350).

Almost surely, 2^722333736 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 722333736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008352800).

722333736 is an abundant number, since it is smaller than the sum of its proper divisors (1294371864).

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

722333736 is a wasteful number, since it uses less digits than its factorization.

722333736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1592 counting only the distinct ones).

The product of its digits is 95256, while the sum is 36.

The square root of 722333736 is about 26876.2671515224. The cubic root of 722333736 is about 897.2482767439.

The spelling of 722333736 in words is "seven hundred twenty-two million, three hundred thirty-three thousand, seven hundred thirty-six".