7387668 has 18 divisors (see below), whose sum is σ = 18674474. Its totient is φ = 2462544.

The previous prime is 7387661. The next prime is 7387691. The reversal of 7387668 is 8667837.

It can be written as a sum of positive squares in only one way, i.e., 7387524 + 144 = 2718^2 + 12^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7387661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102571 + ... + 102642.

Almost surely, 2^7387668 is an apocalyptic number.

It is an amenable number.

7387668 is an abundant number, since it is smaller than the sum of its proper divisors (11286806).

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

7387668 is a wasteful number, since it uses less digits than its factorization.

7387668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205223 (or 205218 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 7387668 is about 2718.0264899371. The cubic root of 7387668 is about 194.7612067115.

The spelling of 7387668 in words is "seven million, three hundred eighty-seven thousand, six hundred sixty-eight".