7548428 has 12 divisors (see below), whose sum is σ = 13532232. Its totient is φ = 3682080.

The previous prime is 7548427. The next prime is 7548433. The reversal of 7548428 is 8248457.

It is a junction number, because it is equal to n+sod(n) for n = 7548391 and 7548400.

It is not an unprimeable number, because it can be changed into a prime (7548427) by changing a digit.

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, 22850 + ... + 23177.

It is an arithmetic number, because the mean of its divisors is an integer number (1127686).

Almost surely, 2^7548428 is an apocalyptic number.

It is an amenable number.

7548428 is a deficient number, since it is larger than the sum of its proper divisors (5983804).

7548428 is a wasteful number, since it uses less digits than its factorization.

7548428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46072 (or 46070 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 7548428 is about 2747.4402632268. The cubic root of 7548428 is about 196.1637878458.

The spelling of 7548428 in words is "seven million, five hundred forty-eight thousand, four hundred twenty-eight".