7218048 has 32 divisors (see below), whose sum is σ = 19173960. Its totient is φ = 2405888.

The previous prime is 7218019. The next prime is 7218049. The reversal of 7218048 is 8408127.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7218049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9015 + ... + 9782.

Almost surely, 2^7218048 is an apocalyptic number.

It is an amenable number.

7218048 is an abundant number, since it is smaller than the sum of its proper divisors (11955912).

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

7218048 is a wasteful number, since it uses less digits than its factorization.

7218048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18814 (or 18802 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 7218048 is about 2686.6425143662. The cubic root of 7218048 is about 193.2590863005.

The spelling of 7218048 in words is "seven million, two hundred eighteen thousand, forty-eight".