7204500 has 72 divisors (see below), whose sum is σ = 22741992. Its totient is φ = 1920000.

The previous prime is 7204471. The next prime is 7204501. The reversal of 7204500 is 54027.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 7033104 = 414^2 + 2652^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7204501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3700 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (315861).

Almost surely, 2^7204500 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 7204500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11370996).

7204500 is an abundant number, since it is smaller than the sum of its proper divisors (15537492).

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

7204500 is a wasteful number, since it uses less digits than its factorization.

7204500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 7204500 is about 2684.1199675126. The cubic root of 7204500 is about 193.1380972674.

Adding to 7204500 its reverse (54027), we get a palindrome (7258527).

It can be divided in two parts, 720 and 4500, that multiplied together give a square (3240000 = 1800²).

The spelling of 7204500 in words is "seven million, two hundred four thousand, five hundred".