5709947 has 4 divisors (see below), whose sum is σ = 5849256. Its totient is φ = 5570640.

The previous prime is 5709929. The next prime is 5709953. The reversal of 5709947 is 7499075.

It is a happy number.

5709947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5709947 - 2¹⁴ = 5693563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 139267 = 5709947 / (5 + 7 + 0 + 9 + 9 + 4 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5709917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69593 + ... + 69674.

It is an arithmetic number, because the mean of its divisors is an integer number (1462314).

Almost surely, 2^5709947 is an apocalyptic number.

5709947 is a deficient number, since it is larger than the sum of its proper divisors (139309).

5709947 is a wasteful number, since it uses less digits than its factorization.

5709947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139308.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 5709947 is about 2389.5495391391. The cubic root of 5709947 is about 178.7354476555.

The spelling of 5709947 in words is "five million, seven hundred nine thousand, nine hundred forty-seven".