7023280 has 80 divisors (see below), whose sum is σ = 18641664. Its totient is φ = 2435840.

The previous prime is 7023271. The next prime is 7023283. The reversal of 7023280 is 823207.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7023283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20067 + ... + 20413.

Almost surely, 2^7023280 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 7023280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9320832).

7023280 is an abundant number, since it is smaller than the sum of its proper divisors (11618384).

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

7023280 is a wasteful number, since it uses less digits than its factorization.

7023280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7023280 is about 2650.1471657250. The cubic root of 7023280 is about 191.5049457101.

Adding to 7023280 its reverse (823207), we get a palindrome (7846487).

The spelling of 7023280 in words is "seven million, twenty-three thousand, two hundred eighty".