4742247 has 8 divisors (see below), whose sum is σ = 6359040. Its totient is φ = 3143480.

The previous prime is 4742239. The next prime is 4742251. The reversal of 4742247 is 7422474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4742247 - 2³ = 4742239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742207) 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 in 7 ways as a sum of consecutive naturals, for example, 3879 + ... + 4952.

It is an arithmetic number, because the mean of its divisors is an integer number (794880).

Almost surely, 2^4742247 is an apocalyptic number.

4742247 is a deficient number, since it is larger than the sum of its proper divisors (1616793).

4742247 is a wasteful number, since it uses less digits than its factorization.

4742247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9013.

The product of its digits is 12544, while the sum is 30.

The square root of 4742247 is about 2177.6700852057. The cubic root of 4742247 is about 168.0072630080.

The spelling of 4742247 in words is "four million, seven hundred forty-two thousand, two hundred forty-seven".