7428552 has 16 divisors (see below), whose sum is σ = 18571440. Its totient is φ = 2476176.

The previous prime is 7428539. The next prime is 7428571. The reversal of 7428552 is 2558247.

It is an Ulam number.

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, 154738 + ... + 154785.

It is an arithmetic number, because the mean of its divisors is an integer number (1160715).

Almost surely, 2^7428552 is an apocalyptic number.

It is an amenable number.

7428552 is an abundant number, since it is smaller than the sum of its proper divisors (11142888).

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

7428552 is a wasteful number, since it uses less digits than its factorization.

7428552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309532 (or 309528 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 7428552 is about 2725.5370113062. The cubic root of 7428552 is about 195.1198211648.

Adding to 7428552 its sum of digits (33), we get a triangular number (7428585 = T₃₈₅₄).

The spelling of 7428552 in words is "seven million, four hundred twenty-eight thousand, five hundred fifty-two".