7327172971 has 2 divisors, whose sum is σ = 7327172972. Its totient is φ = 7327172970.

The previous prime is 7327172921. The next prime is 7327172987. The reversal of 7327172971 is 1792717237.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7327172971 - 2⁷ = 7327172843 is a prime.

It is not a weakly prime, because it can be changed into another prime (7327172911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3663586485 + 3663586486.

It is an arithmetic number, because the mean of its divisors is an integer number (3663586486).

Almost surely, 2^7327172971 is an apocalyptic number.

7327172971 is a deficient number, since it is larger than the sum of its proper divisors (1).

7327172971 is an equidigital number, since it uses as much as digits as its factorization.

7327172971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259308, while the sum is 46.

The square root of 7327172971 is about 85598.9075339166. The cubic root of 7327172971 is about 1942.2813855224.

The spelling of 7327172971 in words is "seven billion, three hundred twenty-seven million, one hundred seventy-two thousand, nine hundred seventy-one".