4742819 has 8 divisors (see below), whose sum is σ = 4830000. Its totient is φ = 4656672.

The previous prime is 4742809. The next prime is 4742821. The reversal of 4742819 is 9182474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4742819 is a prime.

It is a super-2 number, since 2×4742819² = 44988664133522, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁴ + 7⁵ + 4¹¹ + 2 + 8 + 1 + 9⁶ .

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 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, 20597 + ... + 20825.

It is an arithmetic number, because the mean of its divisors is an integer number (603750).

Almost surely, 2^4742819 is an apocalyptic number.

4742819 is a deficient number, since it is larger than the sum of its proper divisors (87181).

4742819 is a wasteful number, since it uses less digits than its factorization.

4742819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its digits is 16128, while the sum is 35.

The square root of 4742819 is about 2177.8014142708. The cubic root of 4742819 is about 168.0140176323.

The spelling of 4742819 in words is "four million, seven hundred forty-two thousand, eight hundred nineteen".