7271947912 has 32 divisors (see below), whose sum is σ = 14132891520. Its totient is φ = 3505487040.

The previous prime is 7271947909. The next prime is 7271947937. The reversal of 7271947912 is 2197491727.

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, 119139 + ... + 169522.

It is an arithmetic number, because the mean of its divisors is an integer number (441652860).

Almost surely, 2^7271947912 is an apocalyptic number.

It is an amenable number.

7271947912 is a deficient number, since it is larger than the sum of its proper divisors (6860943608).

7271947912 is a wasteful number, since it uses less digits than its factorization.

7271947912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288781 (or 288777 counting only the distinct ones).

The product of its digits is 444528, while the sum is 49.

The square root of 7271947912 is about 85275.7170125236. The cubic root of 7271947912 is about 1937.3894024528.

The spelling of 7271947912 in words is "seven billion, two hundred seventy-one million, nine hundred forty-seven thousand, nine hundred twelve".