7321140427 has 2 divisors, whose sum is σ = 7321140428. Its totient is φ = 7321140426.

The previous prime is 7321140371. The next prime is 7321140461. The reversal of 7321140427 is 7240411237.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7321140427 - 2¹⁹ = 7320616139 is a prime.

It is not a weakly prime, because it can be changed into another prime (7321140487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3660570213 + 3660570214.

It is an arithmetic number, because the mean of its divisors is an integer number (3660570214).

Almost surely, 2^7321140427 is an apocalyptic number.

7321140427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7321140427 is an equidigital number, since it uses as much as digits as its factorization.

7321140427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 7321140427 is about 85563.6630059747. The cubic root of 7321140427 is about 1941.7482051272.

The spelling of 7321140427 in words is "seven billion, three hundred twenty-one million, one hundred forty thousand, four hundred twenty-seven".