3549072 has 20 divisors (see below), whose sum is σ = 9168560. Its totient is φ = 1183008.

The previous prime is 3549059. The next prime is 3549079. The reversal of 3549072 is 2709453.

It is a super-2 number, since 2×3549072² = 25191824122368, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹³ + 5⁹ + 4⁵ + 9² + 0 + 7 + 2⁹ .

It is not an unprimeable number, because it can be changed into a prime (3549079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36922 + ... + 37017.

It is an arithmetic number, because the mean of its divisors is an integer number (458428).

Almost surely, 2^3549072 is an apocalyptic number.

It is an amenable number.

3549072 is an abundant number, since it is smaller than the sum of its proper divisors (5619488).

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

3549072 is a wasteful number, since it uses less digits than its factorization.

3549072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73950 (or 73944 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 3549072 is about 1883.8980864155. The cubic root of 3549072 is about 152.5357364964.

The spelling of 3549072 in words is "three million, five hundred forty-nine thousand, seventy-two".