706607720647020 has 192 divisors, whose sum is σ = 2428851091645440. Its totient is φ = 169634044394496.

The previous prime is 706607720647013. The next prime is 706607720647027. The reversal of 706607720647020 is 20746027706607.

706607720647020 is a `hidden beast` number, since 7 + 0 + 6 + 60 + 77 + 20 + 6 + 470 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (706607720647013) and next prime (706607720647027).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (706607720647027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1673104482 + ... + 1673526761.

It is an arithmetic number, because the mean of its divisors is an integer number (12650266102320).

Almost surely, 2^{706607720647020} is an apocalyptic number.

It is an amenable number.

706607720647020 is an abundant number, since it is smaller than the sum of its proper divisors (1722243370998420).

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

706607720647020 is a wasteful number, since it uses less digits than its factorization.

706607720647020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346631301 (or 3346631293 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 54.

The spelling of 706607720647020 in words is "seven hundred six trillion, six hundred seven billion, seven hundred twenty million, six hundred forty-seven thousand, twenty".