7648018 has 12 divisors (see below), whose sum is σ = 13345182. Its totient is φ = 3277680.

The previous prime is 7648009. The next prime is 7648019. The reversal of 7648018 is 8108467.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7414729 + 233289 = 2723^2 + 483^2 .

It is not an unprimeable number, because it can be changed into a prime (7648019) 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 5 ways as a sum of consecutive naturals, for example, 38923 + ... + 39118.

Almost surely, 2^7648018 is an apocalyptic number.

7648018 is a deficient number, since it is larger than the sum of its proper divisors (5697164).

7648018 is a wasteful number, since it uses less digits than its factorization.

7648018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78057 (or 78050 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 7648018 is about 2765.5050171714. The cubic root of 7648018 is about 197.0227154787.

It can be divided in two parts, 7 and 648018, that added together give a square (648025 = 805²).

The spelling of 7648018 in words is "seven million, six hundred forty-eight thousand, eighteen".