71409735076 has 27 divisors (see below), whose sum is σ = 127419936483. Its totient is φ = 35017295040.

The previous prime is 71409735041. The next prime is 71409735079. The reversal of 71409735076 is 67053790417.

The square root of 71409735076 is 267226.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 18152172900 + 53257562176 = 134730^2 + 230776^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71409735079) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 28324696 + ... + 28327216.

Almost surely, 2^71409735076 is an apocalyptic number.

71409735076 is the 267226-th square number.

It is an amenable number.

71409735076 is a deficient number, since it is larger than the sum of its proper divisors (56010201407).

71409735076 is an frugal number, since it uses more digits than its factorization.

71409735076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152 (or 2576 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

Multiplying 71409735076 by its sum of digits (49), we get a square (3499077018724 = 1870582²).

The spelling of 71409735076 in words is "seventy-one billion, four hundred nine million, seven hundred thirty-five thousand, seventy-six".