7345720441 has 2 divisors, whose sum is σ = 7345720442. Its totient is φ = 7345720440.

The previous prime is 7345720439. The next prime is 7345720463. The reversal of 7345720441 is 1440275437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5790601216 + 1555119225 = 76096^2 + 39435^2 .

It is a cyclic number.

It is not a de Polignac number, because 7345720441 - 2¹ = 7345720439 is a prime.

Together with 7345720439, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7345720441.

It is not a weakly prime, because it can be changed into another prime (7345720141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3672860220 + 3672860221.

It is an arithmetic number, because the mean of its divisors is an integer number (3672860221).

Almost surely, 2^7345720441 is an apocalyptic number.

It is an amenable number.

7345720441 is a deficient number, since it is larger than the sum of its proper divisors (1).

7345720441 is an equidigital number, since it uses as much as digits as its factorization.

7345720441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 7345720441 is about 85707.1784683173. The cubic root of 7345720441 is about 1943.9188543448.

Adding to 7345720441 its reverse (1440275437), we get a palindrome (8785995878).

The spelling of 7345720441 in words is "seven billion, three hundred forty-five million, seven hundred twenty thousand, four hundred forty-one".