5661872 has 10 divisors (see below), whose sum is σ = 10969908. Its totient is φ = 2830928.

The previous prime is 5661839. The next prime is 5661893. The reversal of 5661872 is 2781665.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176918 + ... + 176949.

Almost surely, 2^5661872 is an apocalyptic number.

It is an amenable number.

5661872 is a deficient number, since it is larger than the sum of its proper divisors (5308036).

5661872 is a wasteful number, since it uses less digits than its factorization.

5661872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353875 (or 353869 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 5661872 is about 2379.4688482937. The cubic root of 5661872 is about 178.2324111378.

The spelling of 5661872 in words is "five million, six hundred sixty-one thousand, eight hundred seventy-two".