4742849 has 4 divisors (see below), whose sum is σ = 4747440. Its totient is φ = 4738260.

The previous prime is 4742831. The next prime is 4742861. The reversal of 4742849 is 9482474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9482474 = 2 ⋅4741237.

It is a cyclic number.

It is not a de Polignac number, because 4742849 - 2¹⁶ = 4677313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4742809) 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, 62 + ... + 3080.

It is an arithmetic number, because the mean of its divisors is an integer number (1186860).

Almost surely, 2^4742849 is an apocalyptic number.

It is an amenable number.

4742849 is a deficient number, since it is larger than the sum of its proper divisors (4591).

4742849 is a wasteful number, since it uses less digits than its factorization.

4742849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590.

The product of its digits is 64512, while the sum is 38.

The square root of 4742849 is about 2177.8083019403. The cubic root of 4742849 is about 168.0143718809.

The spelling of 4742849 in words is "four million, seven hundred forty-two thousand, eight hundred forty-nine".