724000997 has 2 divisors, whose sum is σ = 724000998. Its totient is φ = 724000996.

The previous prime is 724000993. The next prime is 724001011. The reversal of 724000997 is 799000427.

It is a happy number.

724000997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 564585121 + 159415876 = 23761^2 + 12626^2 .

It is a cyclic number.

It is not a de Polignac number, because 724000997 - 2² = 724000993 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 724000997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724000993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362000498 + 362000499.

It is an arithmetic number, because the mean of its divisors is an integer number (362000499).

Almost surely, 2^724000997 is an apocalyptic number.

It is an amenable number.

724000997 is a deficient number, since it is larger than the sum of its proper divisors (1).

724000997 is an equidigital number, since it uses as much as digits as its factorization.

724000997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 724000997 is about 26907.2666207476. The cubic root of 724000997 is about 897.9380768077.

The spelling of 724000997 in words is "seven hundred twenty-four million, nine hundred ninety-seven", and thus it is an aban number.