724847 has 2 divisors, whose sum is σ = 724848. Its totient is φ = 724846.

The previous prime is 724837. The next prime is 724853. The reversal of 724847 is 748427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 724847 - 2⁶ = 724783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724807) 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, 362423 + 362424.

It is an arithmetic number, because the mean of its divisors is an integer number (362424).

2⁷²⁴⁸⁴⁷ is an apocalyptic number.

724847 is a deficient number, since it is larger than the sum of its proper divisors (1).

724847 is an equidigital number, since it uses as much as digits as its factorization.

724847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544, while the sum is 32.

The square root of 724847 is about 851.3794688622. The cubic root of 724847 is about 89.8287690787.

The spelling of 724847 in words is "seven hundred twenty-four thousand, eight hundred forty-seven".