70930538478729 has 6 divisors (see below), whose sum is σ = 102455222247066. Its totient is φ = 47287025652480.

The previous prime is 70930538478727. The next prime is 70930538478743. The reversal of 70930538478729 is 92787483503907.

70930538478729 is a `hidden beast` number, since 7 + 0 + 9 + 3 + 0 + 538 + 4 + 7 + 87 + 2 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70310287725129 + 620250753600 = 8385123^2 + 787560^2 .

It is not a de Polignac number, because 70930538478729 - 2¹ = 70930538478727 is a prime.

It is a super-2 number, since 2×70930538478729² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70930538478727) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3940585471032 + ... + 3940585471049.

It is an arithmetic number, because the mean of its divisors is an integer number (17075870374511).

Almost surely, 2^{70930538478729} is an apocalyptic number.

It is an amenable number.

70930538478729 is a deficient number, since it is larger than the sum of its proper divisors (31524683768337).

70930538478729 is a wasteful number, since it uses less digits than its factorization.

70930538478729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881170942087 (or 7881170942084 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 72.

The spelling of 70930538478729 in words is "seventy trillion, nine hundred thirty billion, five hundred thirty-eight million, four hundred seventy-eight thousand, seven hundred twenty-nine".