7288704 has 160 divisors (see below), whose sum is σ = 23449800. Its totient is φ = 2239488.

The previous prime is 7288703. The next prime is 7288711. The reversal of 7288704 is 4078827.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7288703) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 196974 + ... + 197010.

Almost surely, 2^7288704 is an apocalyptic number.

7288704 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7288704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11724900).

7288704 is an abundant number, since it is smaller than the sum of its proper divisors (16161096).

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

7288704 is a wasteful number, since it uses less digits than its factorization.

7288704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 7288704 is about 2699.7599893324. The cubic root of 7288704 is about 193.8876311035.

The spelling of 7288704 in words is "seven million, two hundred eighty-eight thousand, seven hundred four".