4727289 has 8 divisors (see below), whose sum is σ = 7203520. Its totient is φ = 2701296.

The previous prime is 4727287. The next prime is 4727293. The reversal of 4727289 is 9827274.

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

It is not a de Polignac number, because 4727289 - 2¹ = 4727287 is a prime.

It is a super-2 number, since 2×4727289² = 44694522579042, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4³ + 7² + 2¹⁰ + 7³ + 2²² + 8² + 9⁶ .

It is a Duffinian number.

It is a Curzon number.

4727289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4727287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112534 + ... + 112575.

It is an arithmetic number, because the mean of its divisors is an integer number (900440).

Almost surely, 2^4727289 is an apocalyptic number.

It is an amenable number.

4727289 is a deficient number, since it is larger than the sum of its proper divisors (2476231).

4727289 is a wasteful number, since it uses less digits than its factorization.

4727289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225119.

The product of its digits is 56448, while the sum is 39.

The square root of 4727289 is about 2174.2329681982. The cubic root of 4727289 is about 167.8304340699.

The spelling of 4727289 in words is "four million, seven hundred twenty-seven thousand, two hundred eighty-nine".