71496877322 has 64 divisors (see below), whose sum is σ = 123006068640. Its totient is φ = 30875959296.

The previous prime is 71496877303. The next prime is 71496877399. The reversal of 71496877322 is 22377869417.

It is a happy number.

It is a Cunningham number, because it is equal to 267389²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 9541187041 + 61955690281 = 97679^2 + 248909^2 .

It is a super-2 number, since 2×71496877322² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100841504 + ... + 100842212.

Almost surely, 2^71496877322 is an apocalyptic number.

71496877322 is a deficient number, since it is larger than the sum of its proper divisors (51509191318).

71496877322 is a wasteful number, since it uses less digits than its factorization.

71496877322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its digits is 7112448, while the sum is 56.

The spelling of 71496877322 in words is "seventy-one billion, four hundred ninety-six million, eight hundred seventy-seven thousand, three hundred twenty-two".