70706650107172 has 24 divisors (see below), whose sum is σ = 124416169970400. Its totient is φ = 35159685926400.

The previous prime is 70706650107143. The next prime is 70706650107229. The reversal of 70706650107172 is 27170105660707.

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 7 ways as a sum of consecutive naturals, for example, 63567454 + ... + 64670197.

It is an arithmetic number, because the mean of its divisors is an integer number (5184007082100).

Almost surely, 2^{70706650107172} is an apocalyptic number.

It is an amenable number.

70706650107172 is a deficient number, since it is larger than the sum of its proper divisors (53709519863228).

70706650107172 is a wasteful number, since it uses less digits than its factorization.

70706650107172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128238411 (or 128238409 counting only the distinct ones).

The product of its (nonzero) digits is 864360, while the sum is 49.

Adding to 70706650107172 its reverse (27170105660707), we get a palindrome (97876755767879).

The spelling of 70706650107172 in words is "seventy trillion, seven hundred six billion, six hundred fifty million, one hundred seven thousand, one hundred seventy-two".