7428748 has 12 divisors (see below), whose sum is σ = 13100472. Its totient is φ = 3685760.

The previous prime is 7428737. The next prime is 7428761. The reversal of 7428748 is 8478247.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7428748.

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, 6565 + ... + 7612.

It is an arithmetic number, because the mean of its divisors is an integer number (1091706).

Almost surely, 2^7428748 is an apocalyptic number.

It is an amenable number.

7428748 is a deficient number, since it is larger than the sum of its proper divisors (5671724).

7428748 is a wasteful number, since it uses less digits than its factorization.

7428748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14312 (or 14310 counting only the distinct ones).

The product of its digits is 100352, while the sum is 40.

The square root of 7428748 is about 2725.5729672860. The cubic root of 7428748 is about 195.1215372080.

The spelling of 7428748 in words is "seven million, four hundred twenty-eight thousand, seven hundred forty-eight".