5678637 has 4 divisors (see below), whose sum is σ = 7571520. Its totient is φ = 3785756.

The previous prime is 5678627. The next prime is 5678641. The reversal of 5678637 is 7368765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5678637 - 2¹⁴ = 5662253 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678627) 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, 946437 + ... + 946442.

It is an arithmetic number, because the mean of its divisors is an integer number (1892880).

Almost surely, 2^5678637 is an apocalyptic number.

It is an amenable number.

5678637 is a deficient number, since it is larger than the sum of its proper divisors (1892883).

5678637 is a wasteful number, since it uses less digits than its factorization.

5678637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892882.

The product of its digits is 211680, while the sum is 42.

The square root of 5678637 is about 2382.9890893582. The cubic root of 5678637 is about 178.4081552473.

The spelling of 5678637 in words is "five million, six hundred seventy-eight thousand, six hundred thirty-seven".