5671679 has 4 divisors (see below), whose sum is σ = 6107976. Its totient is φ = 5235384.

The previous prime is 5671669. The next prime is 5671681. The reversal of 5671679 is 9761765.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5671679 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5671609) 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, 218129 + ... + 218154.

It is an arithmetic number, because the mean of its divisors is an integer number (1526994).

Almost surely, 2^5671679 is an apocalyptic number.

5671679 is a deficient number, since it is larger than the sum of its proper divisors (436297).

5671679 is a wasteful number, since it uses less digits than its factorization.

5671679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436296.

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

The square root of 5671679 is about 2381.5287107234. The cubic root of 5671679 is about 178.3352579833.

The spelling of 5671679 in words is "five million, six hundred seventy-one thousand, six hundred seventy-nine".