720498807 has 80 divisors (see below), whose sum is σ = 1282406400. Its totient is φ = 394476480.

The previous prime is 720498773. The next prime is 720498827. The reversal of 720498807 is 708894027.

It is not a de Polignac number, because 720498807 - 2⁸ = 720498551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720498827) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3146169 + ... + 3146397.

It is an arithmetic number, because the mean of its divisors is an integer number (16030080).

Almost surely, 2^720498807 is an apocalyptic number.

720498807 is a deficient number, since it is larger than the sum of its proper divisors (561907593).

720498807 is a wasteful number, since it uses less digits than its factorization.

720498807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 720498807 is about 26842.1088404022. The cubic root of 720498807 is about 896.4878789454.

The spelling of 720498807 in words is "seven hundred twenty million, four hundred ninety-eight thousand, eight hundred seven".