7648542 has 24 divisors (see below), whose sum is σ = 18078840. Its totient is φ = 2317680.

The previous prime is 7648523. The next prime is 7648549. The reversal of 7648542 is 2458467.

7648542 is a `hidden beast` number, since 7 + 648 + 5 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7648497 and 7648506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7648549) 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 11 ways as a sum of consecutive naturals, for example, 19117 + ... + 19512.

It is an arithmetic number, because the mean of its divisors is an integer number (753285).

Almost surely, 2^7648542 is an apocalyptic number.

7648542 is an abundant number, since it is smaller than the sum of its proper divisors (10430298).

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

7648542 is a wasteful number, since it uses less digits than its factorization.

7648542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38648 (or 38645 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 7648542 is about 2765.5997541221. The cubic root of 7648542 is about 197.0272150124.

The spelling of 7648542 in words is "seven million, six hundred forty-eight thousand, five hundred forty-two".