720498 has 24 divisors (see below), whose sum is σ = 1513008. Its totient is φ = 228712.

The previous prime is 720497. The next prime is 720527. The reversal of 720498 is 894027.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 720498.

It is not an unprimeable number, because it can be changed into a prime (720491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3061 + ... + 3287.

It is an arithmetic number, because the mean of its divisors is an integer number (63042).

2⁷²⁰⁴⁹⁸ is an apocalyptic number.

720498 is an abundant number, since it is smaller than the sum of its proper divisors (792510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720498 is a wasteful number, since it uses less digits than its factorization.

720498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 720498 is about 848.8215360133. The cubic root of 720498 is about 89.6487544239.

The spelling of 720498 in words is "seven hundred twenty thousand, four hundred ninety-eight".