720019804 has 48 divisors (see below), whose sum is σ = 1465744896. Its totient is φ = 303105600.

The previous prime is 720019789. The next prime is 720019823. The reversal of 720019804 is 408910027.

720019804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741039 + ... + 742009.

It is an arithmetic number, because the mean of its divisors is an integer number (30536352).

Almost surely, 2^720019804 is an apocalyptic number.

It is an amenable number.

720019804 is an abundant number, since it is smaller than the sum of its proper divisors (745725092).

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

720019804 is a wasteful number, since it uses less digits than its factorization.

720019804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 720019804 is about 26833.1847532118. The cubic root of 720019804 is about 896.2891668046.

The spelling of 720019804 in words is "seven hundred twenty million, nineteen thousand, eight hundred four".