720116 has 12 divisors (see below), whose sum is σ = 1279488. Its totient is φ = 354552.

The previous prime is 720101. The next prime is 720127. The reversal of 720116 is 611027.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 720094 and 720103.

It is a congruent number.

It is an unprimeable 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, 1076 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (106624).

2⁷²⁰¹¹⁶ is an apocalyptic number.

It is an amenable number.

720116 is a deficient number, since it is larger than the sum of its proper divisors (559372).

720116 is a wasteful number, since it uses less digits than its factorization.

720116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758 (or 2756 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 720116 is about 848.5964883265. The cubic root of 720116 is about 89.6329080333.

The spelling of 720116 in words is "seven hundred twenty thousand, one hundred sixteen".