724626427 has 8 divisors (see below), whose sum is σ = 871731200. Its totient is φ = 588418344.

The previous prime is 724626421. The next prime is 724626439.

724626427 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 724626427 - 2⁷ = 724626299 is a prime.

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 724626427.

It is not an unprimeable number, because it can be changed into a prime (724626421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2724027 + ... + 2724292.

It is an arithmetic number, because the mean of its divisors is an integer number (108966400).

Almost surely, 2^724626427 is an apocalyptic number.

724626427 is a deficient number, since it is larger than the sum of its proper divisors (147104773).

724626427 is a wasteful number, since it uses less digits than its factorization.

724626427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448345.

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

The square root of 724626427 is about 26918.8860653631. The cubic root of 724626427 is about 898.1965643783.

The spelling of 724626427 in words is "seven hundred twenty-four million, six hundred twenty-six thousand, four hundred twenty-seven".