720476 has 12 divisors (see below), whose sum is σ = 1304520. Its totient is φ = 347760.

The previous prime is 720439. The next prime is 720481. The reversal of 720476 is 674027.

It is a congruent number.

It is an unprimeable number.

720476 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 2990 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (108710).

2⁷²⁰⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

720476 is a deficient number, since it is larger than the sum of its proper divisors (584044).

720476 is a wasteful number, since it uses less digits than its factorization.

720476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244 (or 6242 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 720476 is about 848.8085767710. The cubic root of 720476 is about 89.6478419566.

The spelling of 720476 in words is "seven hundred twenty thousand, four hundred seventy-six".