723061856 has 192 divisors, whose sum is σ = 1737179136. Its totient is φ = 292723200.

The previous prime is 723061849. The next prime is 723061883. The reversal of 723061856 is 658160327.

It is a congruent number.

It is an unprimeable number.

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, 10791935 + ... + 10792001.

It is an arithmetic number, because the mean of its divisors is an integer number (9047808).

Almost surely, 2^723061856 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 723061856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868589568).

723061856 is an abundant number, since it is smaller than the sum of its proper divisors (1014117280).

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

723061856 is a wasteful number, since it uses less digits than its factorization.

723061856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 723061856 is about 26889.8095195931. The cubic root of 723061856 is about 897.5496540680.

The spelling of 723061856 in words is "seven hundred twenty-three million, sixty-one thousand, eight hundred fifty-six".