720734108 has 12 divisors (see below), whose sum is σ = 1335478032. Its totient is φ = 339168960.

The previous prime is 720734101. The next prime is 720734167. The reversal of 720734108 is 801437027.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720734101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5299448 + ... + 5299583.

It is an arithmetic number, because the mean of its divisors is an integer number (111289836).

Almost surely, 2^720734108 is an apocalyptic number.

It is an amenable number.

720734108 is a deficient number, since it is larger than the sum of its proper divisors (614743924).

720734108 is a wasteful number, since it uses less digits than its factorization.

720734108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10599052 (or 10599050 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 720734108 is about 26846.4915398642. The cubic root of 720734108 is about 896.5854602012.

The spelling of 720734108 in words is "seven hundred twenty million, seven hundred thirty-four thousand, one hundred eight".