720703 has 2 divisors, whose sum is σ = 720704. Its totient is φ = 720702.

The previous prime is 720697. The next prime is 720743. The reversal of 720703 is 307027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720703 - 2¹³ = 712511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360351 + 360352.

It is an arithmetic number, because the mean of its divisors is an integer number (360352).

2⁷²⁰⁷⁰³ is an apocalyptic number.

720703 is a deficient number, since it is larger than the sum of its proper divisors (1).

720703 is an equidigital number, since it uses as much as digits as its factorization.

720703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 19.

The square root of 720703 is about 848.9422830794. The cubic root of 720703 is about 89.6572560677.

The spelling of 720703 in words is "seven hundred twenty thousand, seven hundred three", and thus it is an iban number.