720720974106 has 48 divisors (see below), whose sum is σ = 1889621383104. Its totient is φ = 193807320192.

The previous prime is 720720974047. The next prime is 720720974153. The reversal of 720720974106 is 601479027027.

720720974106 is a `hidden beast` number, since 7 + 20 + 7 + 209 + 7 + 410 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168233380 + ... + 168237663.

It is an arithmetic number, because the mean of its divisors is an integer number (39367112148).

Almost surely, 2^720720974106 is an apocalyptic number.

720720974106 is an abundant number, since it is smaller than the sum of its proper divisors (1168900408998).

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

720720974106 is a wasteful number, since it uses less digits than its factorization.

720720974106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336471075 (or 336471072 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 720720974106 in words is "seven hundred twenty billion, seven hundred twenty million, nine hundred seventy-four thousand, one hundred six".