71373744801 has 12 divisors (see below), whose sum is σ = 103098138000. Its totient is φ = 47581237080.

The previous prime is 71373744797. The next prime is 71373744811. The reversal of 71373744801 is 10844737317.

It is a happy number.

71373744801 is a `hidden beast` number, since 7 + 137 + 37 + 4 + 480 + 1 = 666.

It is not a de Polignac number, because 71373744801 - 2² = 71373744797 is a prime.

It is a super-2 number, since 2×71373744801² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71373744811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364450 + ... + 524948.

It is an arithmetic number, because the mean of its divisors is an integer number (8591511500).

Almost surely, 2^71373744801 is an apocalyptic number.

It is an amenable number.

71373744801 is a deficient number, since it is larger than the sum of its proper divisors (31724393199).

71373744801 is a wasteful number, since it uses less digits than its factorization.

71373744801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209916 (or 209913 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 71373744801 in words is "seventy-one billion, three hundred seventy-three million, seven hundred forty-four thousand, eight hundred one".