5621772 has 24 divisors (see below), whose sum is σ = 14126896. Its totient is φ = 1729728.

The previous prime is 5621771. The next prime is 5621779. The reversal of 5621772 is 2771265.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5621771) 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, 17863 + ... + 18174.

Almost surely, 2^5621772 is an apocalyptic number.

5621772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5621772 is an abundant number, since it is smaller than the sum of its proper divisors (8505124).

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

5621772 is a wasteful number, since it uses less digits than its factorization.

5621772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36057 (or 36055 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 5621772 is about 2371.0276253135. The cubic root of 5621772 is about 177.8106390064.

The spelling of 5621772 in words is "five million, six hundred twenty-one thousand, seven hundred seventy-two".