7947461 has 2 divisors, whose sum is σ = 7947462. Its totient is φ = 7947460.

The previous prime is 7947431. The next prime is 7947469. The reversal of 7947461 is 1647497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7317025 + 630436 = 2705^2 + 794^2 .

It is an emirp because it is prime and its reverse (1647497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7947461 - 2²² = 3753157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7947469) 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, 3973730 + 3973731.

It is an arithmetic number, because the mean of its divisors is an integer number (3973731).

Almost surely, 2^7947461 is an apocalyptic number.

It is an amenable number.

7947461 is a deficient number, since it is larger than the sum of its proper divisors (1).

7947461 is an equidigital number, since it uses as much as digits as its factorization.

7947461 is an odious number, because the sum of its binary digits is odd.

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

The square root of 7947461 is about 2819.1241547686. The cubic root of 7947461 is about 199.5612130340.

The spelling of 7947461 in words is "seven million, nine hundred forty-seven thousand, four hundred sixty-one".