4009072 has 20 divisors (see below), whose sum is σ = 7801336. Its totient is φ = 1995840.

The previous prime is 4009051. The next prime is 4009091. The reversal of 4009072 is 2709004.

4009072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×4009072³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4918 + ... + 5674.

Almost surely, 2^4009072 is an apocalyptic number.

It is an amenable number.

4009072 is a deficient number, since it is larger than the sum of its proper divisors (3792264).

4009072 is a wasteful number, since it uses less digits than its factorization.

4009072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 4009072 is about 2002.2667155002. The cubic root of 4009072 is about 158.8600221048.

The spelling of 4009072 in words is "four million, nine thousand, seventy-two".