71716025397 has 16 divisors (see below), whose sum is σ = 98947635840. Its totient is φ = 46148515392.

The previous prime is 71716025377. The next prime is 71716025401. The reversal of 71716025397 is 79352061717.

It is not a de Polignac number, because 71716025397 - 2¹² = 71716021301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71716025347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182263 + ... + 420299.

It is an arithmetic number, because the mean of its divisors is an integer number (6184227240).

Almost surely, 2^71716025397 is an apocalyptic number.

It is an amenable number.

71716025397 is a deficient number, since it is larger than the sum of its proper divisors (27231610443).

71716025397 is a wasteful number, since it uses less digits than its factorization.

71716025397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241532.

The product of its (nonzero) digits is 555660, while the sum is 48.

The spelling of 71716025397 in words is "seventy-one billion, seven hundred sixteen million, twenty-five thousand, three hundred ninety-seven".