724727427 has 4 divisors (see below), whose sum is σ = 966303240. Its totient is φ = 483151616.

The previous prime is 724727417. The next prime is 724727489.

724727427 is nontrivially palindromic in base 10.

724727427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 724727427 - 2⁶ = 724727363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (724727417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120787902 + ... + 120787907.

It is an arithmetic number, because the mean of its divisors is an integer number (241575810).

Almost surely, 2^724727427 is an apocalyptic number.

724727427 is a deficient number, since it is larger than the sum of its proper divisors (241575813).

724727427 is a wasteful number, since it uses less digits than its factorization.

724727427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241575812.

The product of its digits is 307328, while the sum is 42.

The square root of 724727427 is about 26920.7620063029. The cubic root of 724727427 is about 898.2382933001.

The spelling of 724727427 in words is "seven hundred twenty-four million, seven hundred twenty-seven thousand, four hundred twenty-seven".