720023016 has 32 divisors (see below), whose sum is σ = 1829570400. Its totient is φ = 236072640.

The previous prime is 720022951. The next prime is 720023021. The reversal of 720023016 is 610320027.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 720022983 and 720023001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244446 + ... + 247373.

It is an arithmetic number, because the mean of its divisors is an integer number (57174075).

Almost surely, 2^720023016 is an apocalyptic number.

It is an amenable number.

720023016 is an abundant number, since it is smaller than the sum of its proper divisors (1109547384).

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

720023016 is a wasteful number, since it uses less digits than its factorization.

720023016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491889 (or 491885 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 720023016 is about 26833.2446044082. The cubic root of 720023016 is about 896.2904995811.

The spelling of 720023016 in words is "seven hundred twenty million, twenty-three thousand, sixteen".