4747445 has 12 divisors (see below), whose sum is σ = 5905380. Its totient is φ = 3663744.

The previous prime is 4747441. The next prime is 4747451. The reversal of 4747445 is 5447474.

It can be written as a sum of positive squares in 6 ways, for example, as 391876 + 4355569 = 626^2 + 2087^2 .

It is not a de Polignac number, because 4747445 - 2² = 4747441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747441) 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, 3641 + ... + 4769.

It is an arithmetic number, because the mean of its divisors is an integer number (492115).

Almost surely, 2^4747445 is an apocalyptic number.

It is an amenable number.

4747445 is a deficient number, since it is larger than the sum of its proper divisors (1157935).

4747445 is a wasteful number, since it uses less digits than its factorization.

4747445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1163 counting only the distinct ones).

The product of its digits is 62720, while the sum is 35.

The square root of 4747445 is about 2178.8632357264. The cubic root of 4747445 is about 168.0686251197.

The spelling of 4747445 in words is "four million, seven hundred forty-seven thousand, four hundred forty-five".