7376747621 has 2 divisors, whose sum is σ = 7376747622. Its totient is φ = 7376747620.

The previous prime is 7376747617. The next prime is 7376747671. The reversal of 7376747621 is 1267476737.

7376747621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (7376747671) can be obtained adding 7376747621 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7027468900 + 349278721 = 83830^2 + 18689^2 .

It is an emirp because it is prime and its reverse (1267476737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7376747621 - 2² = 7376747617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7376747621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7376747671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3688373810 + 3688373811.

It is an arithmetic number, because the mean of its divisors is an integer number (3688373811).

Almost surely, 2^7376747621 is an apocalyptic number.

It is an amenable number.

7376747621 is a deficient number, since it is larger than the sum of its proper divisors (1).

7376747621 is an equidigital number, since it uses as much as digits as its factorization.

7376747621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2074464, while the sum is 50.

The square root of 7376747621 is about 85887.9946267230. The cubic root of 7376747621 is about 1946.6519468059.

The spelling of 7376747621 in words is "seven billion, three hundred seventy-six million, seven hundred forty-seven thousand, six hundred twenty-one".