71926633825 has 12 divisors (see below), whose sum is σ = 90191152620. Its totient is φ = 56894773760.

The previous prime is 71926633819. The next prime is 71926633841. The reversal of 71926633825 is 52833662917.

It can be written as a sum of positive squares in 6 ways, for example, as 1115827216 + 70810806609 = 33404^2 + 266103^2 .

It is not a de Polignac number, because 71926633825 - 2⁹ = 71926633313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16161064 + ... + 16165513.

It is an arithmetic number, because the mean of its divisors is an integer number (7515929385).

Almost surely, 2^71926633825 is an apocalyptic number.

It is an amenable number.

71926633825 is a deficient number, since it is larger than the sum of its proper divisors (18264518795).

71926633825 is a wasteful number, since it uses less digits than its factorization.

71926633825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32326676 (or 32326671 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The spelling of 71926633825 in words is "seventy-one billion, nine hundred twenty-six million, six hundred thirty-three thousand, eight hundred twenty-five".