724660501 has 2 divisors, whose sum is σ = 724660502. Its totient is φ = 724660500.

The previous prime is 724660487. The next prime is 724660529. The reversal of 724660501 is 105066427.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385179876 + 339480625 = 19626^2 + 18425^2 .

It is a cyclic number.

It is not a de Polignac number, because 724660501 - 2²¹ = 722563349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724660571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362330250 + 362330251.

It is an arithmetic number, because the mean of its divisors is an integer number (362330251).

Almost surely, 2^724660501 is an apocalyptic number.

It is an amenable number.

724660501 is a deficient number, since it is larger than the sum of its proper divisors (1).

724660501 is an equidigital number, since it uses as much as digits as its factorization.

724660501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 724660501 is about 26919.5189592979. The cubic root of 724660501 is about 898.2106427452.

The spelling of 724660501 in words is "seven hundred twenty-four million, six hundred sixty thousand, five hundred one".