71773825001 has 4 divisors (see below), whose sum is σ = 74894426112. Its totient is φ = 68653223892.

The previous prime is 71773824971. The next prime is 71773825037. The reversal of 71773825001 is 10052837717.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71773825001 - 2⁶ = 71773824937 is a prime.

It is a super-3 number, since 3×71773825001³ (a number of 34 digits) contains 333 as substring.

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 71773825001.

It is not an unprimeable number, because it can be changed into a prime (71773825051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1560300521 + ... + 1560300566.

It is an arithmetic number, because the mean of its divisors is an integer number (18723606528).

Almost surely, 2^71773825001 is an apocalyptic number.

It is an amenable number.

71773825001 is a deficient number, since it is larger than the sum of its proper divisors (3120601111).

71773825001 is a wasteful number, since it uses less digits than its factorization.

71773825001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120601110.

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 71773825001 in words is "seventy-one billion, seven hundred seventy-three million, eight hundred twenty-five thousand, one".