7948147 has 2 divisors, whose sum is σ = 7948148. Its totient is φ = 7948146.

The previous prime is 7948103. The next prime is 7948151. The reversal of 7948147 is 7418497.

It is a strong prime.

It is an emirp because it is prime and its reverse (7418497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7948147 - 2⁷ = 7948019 is a prime.

It is not a weakly prime, because it can be changed into another prime (7948177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3974073 + 3974074.

It is an arithmetic number, because the mean of its divisors is an integer number (3974074).

Almost surely, 2^7948147 is an apocalyptic number.

7948147 is a deficient number, since it is larger than the sum of its proper divisors (1).

7948147 is an equidigital number, since it uses as much as digits as its factorization.

7948147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 40.

The square root of 7948147 is about 2819.2458211373. The cubic root of 7948147 is about 199.5669547023.

The spelling of 7948147 in words is "seven million, nine hundred forty-eight thousand, one hundred forty-seven".