724712447 has 2 divisors, whose sum is σ = 724712448. Its totient is φ = 724712446.

The previous prime is 724712441. The next prime is 724712473. The reversal of 724712447 is 744217427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724712447 - 2¹⁶ = 724646911 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 724712447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724712441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362356223 + 362356224.

It is an arithmetic number, because the mean of its divisors is an integer number (362356224).

Almost surely, 2^724712447 is an apocalyptic number.

724712447 is a deficient number, since it is larger than the sum of its proper divisors (1).

724712447 is an equidigital number, since it uses as much as digits as its factorization.

724712447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87808, while the sum is 38.

The square root of 724712447 is about 26920.4837809427. The cubic root of 724712447 is about 898.2321044435.

The spelling of 724712447 in words is "seven hundred twenty-four million, seven hundred twelve thousand, four hundred forty-seven".