7295710621 has 2 divisors, whose sum is σ = 7295710622. Its totient is φ = 7295710620.

The previous prime is 7295710619. The next prime is 7295710661. The reversal of 7295710621 is 1260175927.

It is the 34871-st star number.

It is an a-pointer prime, because the next prime (7295710661) can be obtained adding 7295710621 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7243712100 + 51998521 = 85110^2 + 7211^2 .

It is a cyclic number.

It is not a de Polignac number, because 7295710621 - 2¹ = 7295710619 is a prime.

Together with 7295710619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7295710661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3647855310 + 3647855311.

It is an arithmetic number, because the mean of its divisors is an integer number (3647855311).

Almost surely, 2^7295710621 is an apocalyptic number.

It is an amenable number.

7295710621 is a deficient number, since it is larger than the sum of its proper divisors (1).

7295710621 is an equidigital number, since it uses as much as digits as its factorization.

7295710621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 7295710621 is about 85414.9320727939. The cubic root of 7295710621 is about 1939.4973917621.

The spelling of 7295710621 in words is "seven billion, two hundred ninety-five million, seven hundred ten thousand, six hundred twenty-one".