724856471 has 2 divisors, whose sum is σ = 724856472. Its totient is φ = 724856470.

The previous prime is 724856449. The next prime is 724856491. The reversal of 724856471 is 174658427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 724856471 - 2¹⁰ = 724855447 is a prime.

It is a super-3 number, since 3×724856471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724856491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362428235 + 362428236.

It is an arithmetic number, because the mean of its divisors is an integer number (362428236).

Almost surely, 2^724856471 is an apocalyptic number.

724856471 is a deficient number, since it is larger than the sum of its proper divisors (1).

724856471 is an equidigital number, since it uses as much as digits as its factorization.

724856471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 44.

The square root of 724856471 is about 26923.1586371287. The cubic root of 724856471 is about 898.2916031740.

The spelling of 724856471 in words is "seven hundred twenty-four million, eight hundred fifty-six thousand, four hundred seventy-one".