724279783 has 2 divisors, whose sum is σ = 724279784. Its totient is φ = 724279782.

The previous prime is 724279771. The next prime is 724279799. The reversal of 724279783 is 387972427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724279783 - 2¹³ = 724271591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724279763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362139891 + 362139892.

It is an arithmetic number, because the mean of its divisors is an integer number (362139892).

Almost surely, 2^724279783 is an apocalyptic number.

724279783 is a deficient number, since it is larger than the sum of its proper divisors (1).

724279783 is an equidigital number, since it uses as much as digits as its factorization.

724279783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 49.

The square root of 724279783 is about 26912.4466186187. The cubic root of 724279783 is about 898.0533162624.

It can be divided in two parts, 7242 and 79783, that added together give a square (87025 = 295²).

The spelling of 724279783 in words is "seven hundred twenty-four million, two hundred seventy-nine thousand, seven hundred eighty-three".