71173676142 has 12 divisors (see below), whose sum is σ = 154209631680. Its totient is φ = 23724558708.

The previous prime is 71173676131. The next prime is 71173676143. The reversal of 71173676142 is 24167637117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71173676143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1977046542 + ... + 1977046577.

It is an arithmetic number, because the mean of its divisors is an integer number (12850802640).

Almost surely, 2^71173676142 is an apocalyptic number.

71173676142 is an abundant number, since it is smaller than the sum of its proper divisors (83035955538).

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

71173676142 is a wasteful number, since it uses less digits than its factorization.

71173676142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954093127 (or 3954093124 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The spelling of 71173676142 in words is "seventy-one billion, one hundred seventy-three million, six hundred seventy-six thousand, one hundred forty-two".