71268357625 has 32 divisors (see below), whose sum is σ = 91724724000. Its totient is φ = 55250176000.

The previous prime is 71268357623. The next prime is 71268357631. The reversal of 71268357625 is 52675386217.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 71048369401 + 219988224 = 266549^2 + 14832^2 .

It is not a de Polignac number, because 71268357625 - 2¹ = 71268357623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71268357623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716961 + ... + 810289.

It is an arithmetic number, because the mean of its divisors is an integer number (2866397625).

Almost surely, 2^71268357625 is an apocalyptic number.

It is an amenable number.

71268357625 is a deficient number, since it is larger than the sum of its proper divisors (20456366375).

71268357625 is a wasteful number, since it uses less digits than its factorization.

71268357625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93534 (or 93524 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The spelling of 71268357625 in words is "seventy-one billion, two hundred sixty-eight million, three hundred fifty-seven thousand, six hundred twenty-five".