7288667 has 4 divisors (see below), whose sum is σ = 7485696. Its totient is φ = 7091640.

The previous prime is 7288661. The next prime is 7288691. The reversal of 7288667 is 7668827.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7288667 - 2⁴ = 7288651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7288661) 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, 98459 + ... + 98532.

It is an arithmetic number, because the mean of its divisors is an integer number (1871424).

Almost surely, 2^7288667 is an apocalyptic number.

7288667 is a deficient number, since it is larger than the sum of its proper divisors (197029).

7288667 is a wasteful number, since it uses less digits than its factorization.

7288667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197028.

The product of its digits is 225792, while the sum is 44.

The square root of 7288667 is about 2699.7531368627. The cubic root of 7288667 is about 193.8873030226.

The spelling of 7288667 in words is "seven million, two hundred eighty-eight thousand, six hundred sixty-seven".