724022856 has 96 divisors (see below), whose sum is σ = 2034489600. Its totient is φ = 232364160.

The previous prime is 724022851. The next prime is 724022857. The reversal of 724022856 is 658220427.

724022856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a self number, because there is not a number n which added to its sum of digits gives 724022856.

It is not an unprimeable number, because it can be changed into a prime (724022851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505950 + ... + 507378.

It is an arithmetic number, because the mean of its divisors is an integer number (21192600).

Almost surely, 2^724022856 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 724022856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017244800).

724022856 is an abundant number, since it is smaller than the sum of its proper divisors (1310466744).

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

724022856 is a wasteful number, since it uses less digits than its factorization.

724022856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 724022856 is about 26907.6728090706. The cubic root of 724022856 is about 897.9471135498.

The spelling of 724022856 in words is "seven hundred twenty-four million, twenty-two thousand, eight hundred fifty-six".