724307641 has 2 divisors, whose sum is σ = 724307642. Its totient is φ = 724307640.

The previous prime is 724307603. The next prime is 724307677. The reversal of 724307641 is 146703427.

724307641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 712890000 + 11417641 = 26700^2 + 3379^2 .

It is a cyclic number.

It is not a de Polignac number, because 724307641 - 2¹³ = 724299449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 724307597 and 724307606.

It is not a weakly prime, because it can be changed into another prime (724307041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362153820 + 362153821.

It is an arithmetic number, because the mean of its divisors is an integer number (362153821).

Almost surely, 2^724307641 is an apocalyptic number.

It is an amenable number.

724307641 is a deficient number, since it is larger than the sum of its proper divisors (1).

724307641 is an equidigital number, since it uses as much as digits as its factorization.

724307641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 724307641 is about 26912.9641808553. The cubic root of 724307641 is about 898.0648300674.

The spelling of 724307641 in words is "seven hundred twenty-four million, three hundred seven thousand, six hundred forty-one".