4947427 has 4 divisors (see below), whose sum is σ = 4983160. Its totient is φ = 4911696.

The previous prime is 4947413. The next prime is 4947431. The reversal of 4947427 is 7247494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4947427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4947727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17658 + ... + 17935.

It is an arithmetic number, because the mean of its divisors is an integer number (1245790).

Almost surely, 2^4947427 is an apocalyptic number.

4947427 is a deficient number, since it is larger than the sum of its proper divisors (35733).

4947427 is a wasteful number, since it uses less digits than its factorization.

4947427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35732.

The product of its digits is 56448, while the sum is 37.

The square root of 4947427 is about 2224.2812322186. The cubic root of 4947427 is about 170.3961579912.

It can be divided in two parts, 494 and 7427, that added together give a square (7921 = 89²).

The spelling of 4947427 in words is "four million, nine hundred forty-seven thousand, four hundred twenty-seven".