7440072 has 32 divisors (see below), whose sum is σ = 18732480. Its totient is φ = 2462400.

The previous prime is 7440061. The next prime is 7440089. The reversal of 7440072 is 2700447.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2598 + ... + 4650.

It is an arithmetic number, because the mean of its divisors is an integer number (585390).

Almost surely, 2^7440072 is an apocalyptic number.

It is an amenable number.

7440072 is an abundant number, since it is smaller than the sum of its proper divisors (11292408).

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

7440072 is a wasteful number, since it uses less digits than its factorization.

7440072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213 (or 2209 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 7440072 is about 2727.6495376056. The cubic root of 7440072 is about 195.2206312736.

The spelling of 7440072 in words is "seven million, four hundred forty thousand, seventy-two".