7282072 has 32 divisors (see below), whose sum is σ = 15760800. Its totient is φ = 3089664.

The previous prime is 7282063. The next prime is 7282087. The reversal of 7282072 is 2702827.

It is a super-2 number, since 2×7282072² = 106057145226368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 7282072.

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 7 ways as a sum of consecutive naturals, for example, 5508 + ... + 6700.

It is an arithmetic number, because the mean of its divisors is an integer number (492525).

Almost surely, 2^7282072 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 7282072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7880400).

7282072 is an abundant number, since it is smaller than the sum of its proper divisors (8478728).

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

7282072 is a wasteful number, since it uses less digits than its factorization.

7282072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 7282072 is about 2698.5314524756. The cubic root of 7282072 is about 193.8288070671.

Adding to 7282072 its reverse (2702827), we get a palindrome (9984899).

The spelling of 7282072 in words is "seven million, two hundred eighty-two thousand, seventy-two".