7390203397 has 2 divisors, whose sum is σ = 7390203398. Its totient is φ = 7390203396.

The previous prime is 7390203391. The next prime is 7390203421. The reversal of 7390203397 is 7933020937.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6598962756 + 791240641 = 81234^2 + 28129^2 .

It is a cyclic number.

It is not a de Polignac number, because 7390203397 - 2³ = 7390203389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7390203391) 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, 3695101698 + 3695101699.

It is an arithmetic number, because the mean of its divisors is an integer number (3695101699).

Almost surely, 2^7390203397 is an apocalyptic number.

It is an amenable number.

7390203397 is a deficient number, since it is larger than the sum of its proper divisors (1).

7390203397 is an equidigital number, since it uses as much as digits as its factorization.

7390203397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 43.

The square root of 7390203397 is about 85966.2922138672. The cubic root of 7390203397 is about 1947.8348440002.

The spelling of 7390203397 in words is "seven billion, three hundred ninety million, two hundred three thousand, three hundred ninety-seven".