7822379 has 2 divisors, whose sum is σ = 7822380. Its totient is φ = 7822378.

The previous prime is 7822361. The next prime is 7822387. The reversal of 7822379 is 9732287.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7822379 is a prime.

It is a super-2 number, since 2×7822379² = 122379226439282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7822679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3911189 + 3911190.

It is an arithmetic number, because the mean of its divisors is an integer number (3911190).

Almost surely, 2^7822379 is an apocalyptic number.

7822379 is a deficient number, since it is larger than the sum of its proper divisors (1).

7822379 is an equidigital number, since it uses as much as digits as its factorization.

7822379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 7822379 is about 2796.8516228073. The cubic root of 7822379 is about 198.5087332541.

The spelling of 7822379 in words is "seven million, eight hundred twenty-two thousand, three hundred seventy-nine".