5621670 has 64 divisors (see below), whose sum is σ = 15344640. Its totient is φ = 1463904.

The previous prime is 5621653. The next prime is 5621687. The reversal of 5621670 is 761265.

It is an interprime number because it is at equal distance from previous prime (5621653) and next prime (5621687).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12469 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (239760).

Almost surely, 2^5621670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5621670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7672320).

5621670 is an abundant number, since it is smaller than the sum of its proper divisors (9722970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5621670 is a wasteful number, since it uses less digits than its factorization.

5621670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 5621670 is about 2371.0061155552. The cubic root of 5621670 is about 177.8095636163.

The spelling of 5621670 in words is "five million, six hundred twenty-one thousand, six hundred seventy".