7428072 has 16 divisors (see below), whose sum is σ = 18570240. Its totient is φ = 2476016.

The previous prime is 7428067. The next prime is 7428079. The reversal of 7428072 is 2708247.

It is not an unprimeable number, because it can be changed into a prime (7428079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154728 + ... + 154775.

It is an arithmetic number, because the mean of its divisors is an integer number (1160640).

Almost surely, 2^7428072 is an apocalyptic number.

It is an amenable number.

7428072 is an abundant number, since it is smaller than the sum of its proper divisors (11142168).

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

7428072 is a wasteful number, since it uses less digits than its factorization.

7428072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309512 (or 309508 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 7428072 is about 2725.4489538423. The cubic root of 7428072 is about 195.1156184825.

The spelling of 7428072 in words is "seven million, four hundred twenty-eight thousand, seventy-two".