4727845 has 8 divisors (see below), whose sum is σ = 5751576. Its totient is φ = 3730176.

The previous prime is 4727837. The next prime is 4727851. The reversal of 4727845 is 5487274.

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 4661281 = 258^2 + 2159^2 .

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 4727845 - 2³ = 4727837 is a prime.

It is a Duffinian number.

4727845 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6112 + ... + 6841.

It is an arithmetic number, because the mean of its divisors is an integer number (718947).

Almost surely, 2^4727845 is an apocalyptic number.

It is an amenable number.

4727845 is a deficient number, since it is larger than the sum of its proper divisors (1023731).

4727845 is a wasteful number, since it uses less digits than its factorization.

4727845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13031.

The product of its digits is 62720, while the sum is 37.

The square root of 4727845 is about 2174.3608256221. The cubic root of 4727845 is about 167.8370136029.

The spelling of 4727845 in words is "four million, seven hundred twenty-seven thousand, eight hundred forty-five".