723713472 has 84 divisors (see below), whose sum is σ = 2092939680. Its totient is φ = 239081472.

The previous prime is 723713467. The next prime is 723713479. The reversal of 723713472 is 274317327.

It is a happy number.

723713472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×723713472² = 1047522379108589568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723713479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59529 + ... + 70647.

Almost surely, 2^723713472 is an apocalyptic number.

723713472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723713472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046469840).

723713472 is an abundant number, since it is smaller than the sum of its proper divisors (1369226208).

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

723713472 is a wasteful number, since it uses less digits than its factorization.

723713472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250 (or 11237 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 723713472 is about 26901.9232026262. The cubic root of 723713472 is about 897.8191939924.

The spelling of 723713472 in words is "seven hundred twenty-three million, seven hundred thirteen thousand, four hundred seventy-two".