5667621 has 8 divisors (see below), whose sum is σ = 7587264. Its totient is φ = 3763200.

The previous prime is 5667611. The next prime is 5667631. The reversal of 5667621 is 1267665.

It is an interprime number because it is at equal distance from previous prime (5667611) and next prime (5667631).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5667621 - 2¹⁴ = 5651237 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5667601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905 + ... + 4446.

It is an arithmetic number, because the mean of its divisors is an integer number (948408).

Almost surely, 2^5667621 is an apocalyptic number.

It is an amenable number.

5667621 is a deficient number, since it is larger than the sum of its proper divisors (1919643).

5667621 is a wasteful number, since it uses less digits than its factorization.

5667621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611.

The product of its digits is 15120, while the sum is 33.

The square root of 5667621 is about 2380.6765845028. The cubic root of 5667621 is about 178.2927157814.

The spelling of 5667621 in words is "five million, six hundred sixty-seven thousand, six hundred twenty-one".