5661772 has 48 divisors (see below), whose sum is σ = 11289600. Its totient is φ = 2471040.

The previous prime is 5661743. The next prime is 5661779. The reversal of 5661772 is 2771665.

It is not an unprimeable number, because it can be changed into a prime (5661779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71629 + ... + 71707.

It is an arithmetic number, because the mean of its divisors is an integer number (235200).

Almost surely, 2^5661772 is an apocalyptic number.

It is an amenable number.

5661772 is a deficient number, since it is larger than the sum of its proper divisors (5627828).

5661772 is a wasteful number, since it uses less digits than its factorization.

5661772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 164 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 5661772 is about 2379.4478351080. The cubic root of 5661772 is about 178.2313618178.

The spelling of 5661772 in words is "five million, six hundred sixty-one thousand, seven hundred seventy-two".