7743270401 has 2 divisors, whose sum is σ = 7743270402. Its totient is φ = 7743270400.

The previous prime is 7743270397. The next prime is 7743270461. The reversal of 7743270401 is 1040723477.

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., 4891603600 + 2851666801 = 69940^2 + 53401^2 .

It is an emirp because it is prime and its reverse (1040723477) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7743270401 - 2² = 7743270397 is a prime.

It is not a weakly prime, because it can be changed into another prime (7743270461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3871635200 + 3871635201.

It is an arithmetic number, because the mean of its divisors is an integer number (3871635201).

Almost surely, 2^7743270401 is an apocalyptic number.

It is an amenable number.

7743270401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7743270401 is an equidigital number, since it uses as much as digits as its factorization.

7743270401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 7743270401 is about 87995.8544534912. The cubic root of 7743270401 is about 1978.3728427646.

Adding to 7743270401 its reverse (1040723477), we get a palindrome (8783993878).

The spelling of 7743270401 in words is "seven billion, seven hundred forty-three million, two hundred seventy thousand, four hundred one".