7800041 has 2 divisors, whose sum is σ = 7800042. Its totient is φ = 7800040.

The previous prime is 7800029. The next prime is 7800047. The reversal of 7800041 is 1400087.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5740816 + 2059225 = 2396^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 7800041 - 2¹⁰ = 7799017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7799986 and 7800022.

It is not a weakly prime, because it can be changed into another prime (7800047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3900020 + 3900021.

It is an arithmetic number, because the mean of its divisors is an integer number (3900021).

Almost surely, 2^7800041 is an apocalyptic number.

It is an amenable number.

7800041 is a deficient number, since it is larger than the sum of its proper divisors (1).

7800041 is an equidigital number, since it uses as much as digits as its factorization.

7800041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 7800041 is about 2792.8553489216. The cubic root of 7800041 is about 198.3195957499.

The spelling of 7800041 in words is "seven million, eight hundred thousand, forty-one".