7072208 has 60 divisors (see below), whose sum is σ = 16277604. Its totient is φ = 2956800.

The previous prime is 7072193. The next prime is 7072243. The reversal of 7072208 is 8022707.

It can be written as a sum of positive squares in 2 ways, for example, as 2795584 + 4276624 = 1672^2 + 2068^2 .

It is a super-3 number, since 3×7072208³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25028 + ... + 25308.

Almost surely, 2^7072208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7072208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8138802).

7072208 is an abundant number, since it is smaller than the sum of its proper divisors (9205396).

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

7072208 is a wasteful number, since it uses less digits than its factorization.

7072208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 7072208 is about 2659.3623295820. The cubic root of 7072208 is about 191.9486263014.

The spelling of 7072208 in words is "seven million, seventy-two thousand, two hundred eight".