723427747 has 8 divisors (see below), whose sum is σ = 827108096. Its totient is φ = 619830792.

The previous prime is 723427729. The next prime is 723427759. The reversal of 723427747 is 747724327.

723427747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 723427747 - 2¹⁵ = 723394979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723427847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993 + ... + 38050.

It is an arithmetic number, because the mean of its divisors is an integer number (103388512).

Almost surely, 2^723427747 is an apocalyptic number.

723427747 is a deficient number, since it is larger than the sum of its proper divisors (103680349).

723427747 is a wasteful number, since it uses less digits than its factorization.

723427747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41697.

The product of its digits is 460992, while the sum is 43.

The square root of 723427747 is about 26896.6121844369. The cubic root of 723427747 is about 897.7010242258.

It can be divided in two parts, 72342 and 7747, that added together give a square (80089 = 283²).

The spelling of 723427747 in words is "seven hundred twenty-three million, four hundred twenty-seven thousand, seven hundred forty-seven".