7288738 has 8 divisors (see below), whose sum is σ = 10944720. Its totient is φ = 3640500.

The previous prime is 7288727. The next prime is 7288739. The reversal of 7288738 is 8378827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7288694 and 7288703.

It is not an unprimeable number, because it can be changed into a prime (7288739) 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, 2113 + ... + 4363.

It is an arithmetic number, because the mean of its divisors is an integer number (1368090).

Almost surely, 2^7288738 is an apocalyptic number.

7288738 is a deficient number, since it is larger than the sum of its proper divisors (3655982).

7288738 is a wasteful number, since it uses less digits than its factorization.

7288738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872.

The product of its digits is 150528, while the sum is 43.

The square root of 7288738 is about 2699.7662861811. The cubic root of 7288738 is about 193.8879325823.

The spelling of 7288738 in words is "seven million, two hundred eighty-eight thousand, seven hundred thirty-eight".