71308127803396 has 27 divisors (see below), whose sum is σ = 137165371784917. Its totient is φ = 32412700921040.

The previous prime is 71308127803361. The next prime is 71308127803483. The reversal of 71308127803396 is 69330872180317.

It is a happy number.

The square root of 71308127803396 is 8444414.

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

It can be written as a sum of positive squares in only one way, i.e., 70806671208900 + 501456594496 = 8414670^2 + 708136^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71308127803396.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 185585190 + ... + 185969026.

Almost surely, 2^{71308127803396} is an apocalyptic number.

71308127803396 is the 8444414-th square number.

It is an amenable number.

71308127803396 is a deficient number, since it is larger than the sum of its proper divisors (65857243981521).

71308127803396 is an frugal number, since it uses more digits than its factorization.

71308127803396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767700 (or 383850 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 71308127803396 in words is "seventy-one trillion, three hundred eight billion, one hundred twenty-seven million, eight hundred three thousand, three hundred ninety-six".