720896503 has 2 divisors, whose sum is σ = 720896504. Its totient is φ = 720896502.

The previous prime is 720896497. The next prime is 720896551. The reversal of 720896503 is 305698027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720896503 - 2²⁹ = 184025591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720896573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360448251 + 360448252.

It is an arithmetic number, because the mean of its divisors is an integer number (360448252).

Almost surely, 2^720896503 is an apocalyptic number.

720896503 is a deficient number, since it is larger than the sum of its proper divisors (1).

720896503 is an equidigital number, since it uses as much as digits as its factorization.

720896503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 720896503 is about 26849.5158801793. The cubic root of 720896503 is about 896.6527943540.

The spelling of 720896503 in words is "seven hundred twenty million, eight hundred ninety-six thousand, five hundred three".