7942471 has 2 divisors, whose sum is σ = 7942472. Its totient is φ = 7942470.

The previous prime is 7942469. The next prime is 7942477. The reversal of 7942471 is 1742497.

It is a weak prime.

It is an emirp because it is prime and its reverse (1742497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7942471 - 2¹ = 7942469 is a prime.

It is a super-3 number, since 3×7942471³ (a number of 22 digits) contains 333 as substring.

Together with 7942469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7942477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3971235 + 3971236.

It is an arithmetic number, because the mean of its divisors is an integer number (3971236).

Almost surely, 2^7942471 is an apocalyptic number.

7942471 is a deficient number, since it is larger than the sum of its proper divisors (1).

7942471 is an equidigital number, since it uses as much as digits as its factorization.

7942471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 7942471 is about 2818.2389891562. The cubic root of 7942471 is about 199.5194378918.

The spelling of 7942471 in words is "seven million, nine hundred forty-two thousand, four hundred seventy-one".