70711467481 has 4 divisors (see below), whose sum is σ = 70921294132. Its totient is φ = 70501640832.

The previous prime is 70711467457. The next prime is 70711467517. The reversal of 70711467481 is 18476411707.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24495067081 + 46216400400 = 156509^2 + 214980^2 .

It is a cyclic number.

It is not a de Polignac number, because 70711467481 - 2³¹ = 68563983833 is a prime.

It is a super-2 number, since 2×70711467481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70711467181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104912820 + ... + 104913493.

It is an arithmetic number, because the mean of its divisors is an integer number (17730323533).

Almost surely, 2^70711467481 is an apocalyptic number.

It is an amenable number.

70711467481 is a deficient number, since it is larger than the sum of its proper divisors (209826651).

70711467481 is a wasteful number, since it uses less digits than its factorization.

70711467481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209826650.

The product of its (nonzero) digits is 263424, while the sum is 46.

The spelling of 70711467481 in words is "seventy billion, seven hundred eleven million, four hundred sixty-seven thousand, four hundred eighty-one".