71642529542 has 8 divisors (see below), whose sum is σ = 107465454216. Its totient is φ = 35820711472.

The previous prime is 71642529527. The next prime is 71642529551. The reversal of 71642529542 is 24592524617.

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, 89468 + ... + 388959.

It is an arithmetic number, because the mean of its divisors is an integer number (13433181777).

Almost surely, 2^71642529542 is an apocalyptic number.

71642529542 is a deficient number, since it is larger than the sum of its proper divisors (35822924674).

71642529542 is a wasteful number, since it uses less digits than its factorization.

71642529542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553302.

The product of its digits is 1209600, while the sum is 47.

The spelling of 71642529542 in words is "seventy-one billion, six hundred forty-two million, five hundred twenty-nine thousand, five hundred forty-two".