71504003142 has 192 divisors, whose sum is σ = 187142731776. Its totient is φ = 19441658880.

The previous prime is 71504003141. The next prime is 71504003177. The reversal of 71504003142 is 24130040517.

71504003142 is a `hidden beast` number, since 71 + 50 + 400 + 3 + 142 = 666.

It is a super-2 number, since 2×71504003142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71504003141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24680638 + ... + 24683534.

It is an arithmetic number, because the mean of its divisors is an integer number (974701728).

Almost surely, 2^71504003142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71504003142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93571365888).

71504003142 is an abundant number, since it is smaller than the sum of its proper divisors (115638728634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71504003142 is a wasteful number, since it uses less digits than its factorization.

71504003142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 71504003142 its reverse (24130040517), we get a palindrome (95634043659).

The spelling of 71504003142 in words is "seventy-one billion, five hundred four million, three thousand, one hundred forty-two".