71328742942 has 8 divisors (see below), whose sum is σ = 107165964600. Its totient is φ = 35606754744.

The previous prime is 71328742879. The next prime is 71328742981. The reversal of 71328742942 is 24924782317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28806817 + ... + 28809292.

It is an arithmetic number, because the mean of its divisors is an integer number (13395745575).

Almost surely, 2^71328742942 is an apocalyptic number.

71328742942 is a deficient number, since it is larger than the sum of its proper divisors (35837221658).

71328742942 is a wasteful number, since it uses less digits than its factorization.

71328742942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57616730.

The product of its digits is 1354752, while the sum is 49.

The spelling of 71328742942 in words is "seventy-one billion, three hundred twenty-eight million, seven hundred forty-two thousand, nine hundred forty-two".