71487538042 has 8 divisors (see below), whose sum is σ = 107639031456. Its totient is φ = 35607860892.

The previous prime is 71487538027. The next prime is 71487538091. The reversal of 71487538042 is 24083578417.

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

It is a super-2 number, since 2×71487538042² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67953408 + ... + 67954459.

It is an arithmetic number, because the mean of its divisors is an integer number (13454878932).

Almost surely, 2^71487538042 is an apocalyptic number.

71487538042 is a deficient number, since it is larger than the sum of its proper divisors (36151493414).

71487538042 is a wasteful number, since it uses less digits than its factorization.

71487538042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135908132.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 71487538042 in words is "seventy-one billion, four hundred eighty-seven million, five hundred thirty-eight thousand, forty-two".