7801379 has 2 divisors, whose sum is σ = 7801380. Its totient is φ = 7801378.

The previous prime is 7801373. The next prime is 7801427. The reversal of 7801379 is 9731087.

7801379 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7801379 - 2⁴ = 7801363 is a prime.

It is not a weakly prime, because it can be changed into another prime (7801373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3900689 + 3900690.

It is an arithmetic number, because the mean of its divisors is an integer number (3900690).

Almost surely, 2^7801379 is an apocalyptic number.

7801379 is a deficient number, since it is larger than the sum of its proper divisors (1).

7801379 is an equidigital number, since it uses as much as digits as its factorization.

7801379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 7801379 is about 2793.0948784458. The cubic root of 7801379 is about 198.3309348548.

The spelling of 7801379 in words is "seven million, eight hundred one thousand, three hundred seventy-nine".