724140601 has 2 divisors, whose sum is σ = 724140602. Its totient is φ = 724140600.

The previous prime is 724140589. The next prime is 724140607. The reversal of 724140601 is 106041427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 564775225 + 159365376 = 23765^2 + 12624^2 .

It is a cyclic number.

It is not a de Polignac number, because 724140601 - 2⁵ = 724140569 is a prime.

It is a super-2 number, since 2×724140601² = 1048759220033282402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (724140607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362070300 + 362070301.

It is an arithmetic number, because the mean of its divisors is an integer number (362070301).

Almost surely, 2^724140601 is an apocalyptic number.

It is an amenable number.

724140601 is a deficient number, since it is larger than the sum of its proper divisors (1).

724140601 is an equidigital number, since it uses as much as digits as its factorization.

724140601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 724140601 is about 26909.8606648195. The cubic root of 724140601 is about 897.9957874515.

The spelling of 724140601 in words is "seven hundred twenty-four million, one hundred forty thousand, six hundred one".