5637947 has 4 divisors (see below), whose sum is σ = 6443376. Its totient is φ = 4832520.

The previous prime is 5637917. The next prime is 5637953. The reversal of 5637947 is 7497365.

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

It is not a de Polignac number, because 5637947 - 2¹⁰ = 5636923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5637917) 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, 402704 + ... + 402717.

It is an arithmetic number, because the mean of its divisors is an integer number (1610844).

Almost surely, 2^5637947 is an apocalyptic number.

5637947 is a deficient number, since it is larger than the sum of its proper divisors (805429).

5637947 is an equidigital number, since it uses as much as digits as its factorization.

5637947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805428.

The product of its digits is 158760, while the sum is 41.

The square root of 5637947 is about 2374.4361435928. The cubic root of 5637947 is about 177.9810083681.

The spelling of 5637947 in words is "five million, six hundred thirty-seven thousand, nine hundred forty-seven".