7346000021 has 2 divisors, whose sum is σ = 7346000022. Its totient is φ = 7346000020.

The previous prime is 7345999979. The next prime is 7346000089. The reversal of 7346000021 is 1200006437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3938943121 + 3407056900 = 62761^2 + 58370^2 .

It is a cyclic number.

It is not a de Polignac number, because 7346000021 - 2²² = 7341805717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7346000821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3673000010 + 3673000011.

It is an arithmetic number, because the mean of its divisors is an integer number (3673000011).

Almost surely, 2^7346000021 is an apocalyptic number.

It is an amenable number.

7346000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

7346000021 is an equidigital number, since it uses as much as digits as its factorization.

7346000021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 7346000021 is about 85708.8094713723. The cubic root of 7346000021 is about 1943.9435160482.

Adding to 7346000021 its reverse (1200006437), we get a palindrome (8546006458).

The spelling of 7346000021 in words is "seven billion, three hundred forty-six million, twenty-one", and thus it is an aban number.