7211730704 has 10 divisors (see below), whose sum is σ = 13972728270. Its totient is φ = 3605865344.

The previous prime is 7211730679. The next prime is 7211730719. The reversal of 7211730704 is 4070371127.

It can be written as a sum of positive squares in only one way, i.e., 5035321600 + 2176409104 = 70960^2 + 46652^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225366569 + ... + 225366600.

It is an arithmetic number, because the mean of its divisors is an integer number (1397272827).

Almost surely, 2^7211730704 is an apocalyptic number.

It is an amenable number.

7211730704 is a deficient number, since it is larger than the sum of its proper divisors (6760997566).

7211730704 is a wasteful number, since it uses less digits than its factorization.

7211730704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450733177 (or 450733171 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 7211730704 is about 84921.9094462672. The cubic root of 7211730704 is about 1932.0268918781.

The spelling of 7211730704 in words is "seven billion, two hundred eleven million, seven hundred thirty thousand, seven hundred four".