2440072 has 16 divisors (see below), whose sum is σ = 4723200. Its totient is φ = 1180560.

The previous prime is 2440069. The next prime is 2440079. The reversal of 2440072 is 2700442.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2440079) 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, 4672 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (295200).

2^2440072 is an apocalyptic number.

It is an amenable number.

2440072 is a deficient number, since it is larger than the sum of its proper divisors (2283128).

2440072 is a wasteful number, since it uses less digits than its factorization.

2440072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876 (or 9872 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2440072 is about 1562.0729816497. The cubic root of 2440072 is about 134.6276341255.

The spelling of 2440072 in words is "two million, four hundred forty thousand, seventy-two".