7318648 has 32 divisors (see below), whose sum is σ = 14634000. Its totient is φ = 3421440.

The previous prime is 7318631. The next prime is 7318681. The reversal of 7318648 is 8468137.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13258 + ... + 13798.

Almost surely, 2^7318648 is an apocalyptic number.

It is an amenable number.

7318648 is a deficient number, since it is larger than the sum of its proper divisors (7315352).

7318648 is a wasteful number, since it uses less digits than its factorization.

7318648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 651 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 7318648 is about 2705.2999833660. The cubic root of 7318648 is about 194.1527828943.

It can be divided in two parts, 73 and 18648, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 7318648 in words is "seven million, three hundred eighteen thousand, six hundred forty-eight".