7211730946 has 32 divisors (see below), whose sum is σ = 12457440000. Its totient is φ = 3067206912.

The previous prime is 7211730919. The next prime is 7211730947. The reversal of 7211730946 is 6490371127.

It is a junction number, because it is equal to n+sod(n) for n = 7211730899 and 7211730908.

It is not an unprimeable number, because it can be changed into a prime (7211730947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136310 + ... + 1142638.

It is an arithmetic number, because the mean of its divisors is an integer number (389295000).

Almost surely, 2^7211730946 is an apocalyptic number.

7211730946 is a deficient number, since it is larger than the sum of its proper divisors (5245709054).

7211730946 is a wasteful number, since it uses less digits than its factorization.

7211730946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6946.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 7211730946 is about 84921.9108711056. The cubic root of 7211730946 is about 1932.0269134887.

The spelling of 7211730946 in words is "seven billion, two hundred eleven million, seven hundred thirty thousand, nine hundred forty-six".