5745621 has 8 divisors (see below), whose sum is σ = 8755264. Its totient is φ = 3283200.

The previous prime is 5745599. The next prime is 5745629. The reversal of 5745621 is 1265475.

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

It is not a de Polignac number, because 5745621 - 2⁶ = 5745557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5745629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136780 + ... + 136821.

It is an arithmetic number, because the mean of its divisors is an integer number (1094408).

Almost surely, 2^5745621 is an apocalyptic number.

It is an amenable number.

5745621 is a deficient number, since it is larger than the sum of its proper divisors (3009643).

5745621 is a wasteful number, since it uses less digits than its factorization.

5745621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273611.

The product of its digits is 8400, while the sum is 30.

The square root of 5745621 is about 2397.0025031276. The cubic root of 5745621 is about 179.1069032571.

The spelling of 5745621 in words is "five million, seven hundred forty-five thousand, six hundred twenty-one".