71198744592 has 20 divisors (see below), whose sum is σ = 183930090320. Its totient is φ = 23732914848.

The previous prime is 71198744537. The next prime is 71198744609. The reversal of 71198744592 is 29544789117.

It is a super-2 number, since 2×71198744592² (a number of 23 digits) contains 22 as substring.

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, 741653542 + ... + 741653637.

It is an arithmetic number, because the mean of its divisors is an integer number (9196504516).

Almost surely, 2^71198744592 is an apocalyptic number.

It is an amenable number.

71198744592 is an abundant number, since it is smaller than the sum of its proper divisors (112731345728).

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

71198744592 is a wasteful number, since it uses less digits than its factorization.

71198744592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483307190 (or 1483307184 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 57.

The spelling of 71198744592 in words is "seventy-one billion, one hundred ninety-eight million, seven hundred forty-four thousand, five hundred ninety-two".