7312714421 has 2 divisors, whose sum is σ = 7312714422. Its totient is φ = 7312714420.

The previous prime is 7312714399. The next prime is 7312714439. The reversal of 7312714421 is 1244172137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7312644196 + 70225 = 85514^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312714421 - 2²² = 7308520117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312714621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656357210 + 3656357211.

It is an arithmetic number, because the mean of its divisors is an integer number (3656357211).

Almost surely, 2^7312714421 is an apocalyptic number.

It is an amenable number.

7312714421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312714421 is an equidigital number, since it uses as much as digits as its factorization.

7312714421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 7312714421 is about 85514.4106042952. The cubic root of 7312714421 is about 1941.0029904993.

Adding to 7312714421 its reverse (1244172137), we get a palindrome (8556886558).

The spelling of 7312714421 in words is "seven billion, three hundred twelve million, seven hundred fourteen thousand, four hundred twenty-one".