723479 has 2 divisors, whose sum is σ = 723480. Its totient is φ = 723478.

The previous prime is 723473. The next prime is 723491. The reversal of 723479 is 974327.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-723479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361739 + 361740.

It is an arithmetic number, because the mean of its divisors is an integer number (361740).

2⁷²³⁴⁷⁹ is an apocalyptic number.

723479 is a deficient number, since it is larger than the sum of its proper divisors (1).

723479 is an equidigital number, since it uses as much as digits as its factorization.

723479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 32.

The square root of 723479 is about 850.5756874024. The cubic root of 723479 is about 89.7722223663.

The spelling of 723479 in words is "seven hundred twenty-three thousand, four hundred seventy-nine".