71212435474 has 8 divisors (see below), whose sum is σ = 108834099660. Its totient is φ = 34934402256.

The previous prime is 71212435451. The next prime is 71212435517. The reversal of 71212435474 is 47453421217.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71178504849 + 33930625 = 266793^2 + 5825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×71212435474² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335907609 + ... + 335907820.

Almost surely, 2^71212435474 is an apocalyptic number.

71212435474 is a deficient number, since it is larger than the sum of its proper divisors (37621664186).

71212435474 is a wasteful number, since it uses less digits than its factorization.

71212435474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671815484.

The product of its digits is 188160, while the sum is 40.

The spelling of 71212435474 in words is "seventy-one billion, two hundred twelve million, four hundred thirty-five thousand, four hundred seventy-four".