4747905 has 12 divisors (see below), whose sum is σ = 8229780. Its totient is φ = 2532192.

The previous prime is 4747903. The next prime is 4747927. The reversal of 4747905 is 5097474.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2461761 + 2286144 = 1569^2 + 1512^2 .

It is not a de Polignac number, because 4747905 - 2¹ = 4747903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4747905.

It is not an unprimeable number, because it can be changed into a prime (4747903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52710 + ... + 52799.

It is an arithmetic number, because the mean of its divisors is an integer number (685815).

Almost surely, 2^4747905 is an apocalyptic number.

4747905 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4747905 is a deficient number, since it is larger than the sum of its proper divisors (3481875).

4747905 is a wasteful number, since it uses less digits than its factorization.

4747905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105520 (or 105517 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 4747905 is about 2178.9687928009. The cubic root of 4747905 is about 168.0740532374.

The spelling of 4747905 in words is "four million, seven hundred forty-seven thousand, nine hundred five".