723788748 has 72 divisors (see below), whose sum is σ = 1924435968. Its totient is φ = 228922848.

The previous prime is 723788743. The next prime is 723788761. The reversal of 723788748 is 847887327.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 723788694 and 723788703.

It is not an unprimeable number, because it can be changed into a prime (723788743) by changing a digit.

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, 101715 + ... + 108597.

Almost surely, 2^723788748 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 723788748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962217984).

723788748 is an abundant number, since it is smaller than the sum of its proper divisors (1200647220).

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

723788748 is a wasteful number, since it uses less digits than its factorization.

723788748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043 (or 7038 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 54.

The square root of 723788748 is about 26903.3222483767. The cubic root of 723788748 is about 897.8503213641.

The spelling of 723788748 in words is "seven hundred twenty-three million, seven hundred eighty-eight thousand, seven hundred forty-eight".