71049220744 has 32 divisors (see below), whose sum is σ = 133739424000. Its totient is φ = 35385499072.

The previous prime is 71049220727. The next prime is 71049220783. The reversal of 71049220744 is 44702294017.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71049220697 and 71049220706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5476137 + ... + 5489095.

It is an arithmetic number, because the mean of its divisors is an integer number (4179357000).

Almost surely, 2^71049220744 is an apocalyptic number.

It is an amenable number.

71049220744 is a deficient number, since it is larger than the sum of its proper divisors (62690203256).

71049220744 is a wasteful number, since it uses less digits than its factorization.

71049220744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15597 (or 15593 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 71049220744 in words is "seventy-one billion, forty-nine million, two hundred twenty thousand, seven hundred forty-four".