71001274925 has 24 divisors (see below), whose sum is σ = 104088576000. Its totient is φ = 47007737280.

The previous prime is 71001274909. The next prime is 71001274943. The reversal of 71001274925 is 52947210017.

It is a happy number.

It is not a de Polignac number, because 71001274925 - 2⁴ = 71001274909 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6990125 + ... + 7000274.

It is an arithmetic number, because the mean of its divisors is an integer number (4337024000).

Almost surely, 2^71001274925 is an apocalyptic number.

It is an amenable number.

71001274925 is a deficient number, since it is larger than the sum of its proper divisors (33087301075).

71001274925 is a wasteful number, since it uses less digits than its factorization.

71001274925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13990445 (or 13990440 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 71001274925 in words is "seventy-one billion, one million, two hundred seventy-four thousand, nine hundred twenty-five".