724383427 has 4 divisors (see below), whose sum is σ = 727414560. Its totient is φ = 721352296.

The previous prime is 724383419. The next prime is 724383433.

724383427 is nontrivially palindromic in base 10.

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 724383427 - 2³ = 724383419 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 724383427.

It is not an unprimeable number, because it can be changed into a prime (724323427) 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, 1515208 + ... + 1515685.

It is an arithmetic number, because the mean of its divisors is an integer number (181853640).

Almost surely, 2^724383427 is an apocalyptic number.

724383427 is a deficient number, since it is larger than the sum of its proper divisors (3031133).

724383427 is a wasteful number, since it uses less digits than its factorization.

724383427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031132.

The product of its digits is 225792, while the sum is 40.

The square root of 724383427 is about 26914.3721271740. The cubic root of 724383427 is about 898.0961511819.

The spelling of 724383427 in words is "seven hundred twenty-four million, three hundred eighty-three thousand, four hundred twenty-seven".