7216804 has 24 divisors (see below), whose sum is σ = 14493248. Its totient is φ = 3080160.

The previous prime is 7216801. The next prime is 7216837. The reversal of 7216804 is 4086127.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10099 + ... + 10789.

Almost surely, 2^7216804 is an apocalyptic number.

It is an amenable number.

7216804 is an abundant number, since it is smaller than the sum of its proper divisors (7276444).

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

7216804 is a wasteful number, since it uses less digits than its factorization.

7216804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 7216804 is about 2686.4109886613. The cubic root of 7216804 is about 193.2479832010.

It can be divided in two parts, 7 and 216804, that added together give a triangular number (216811 = T₆₅₈).

The spelling of 7216804 in words is "seven million, two hundred sixteen thousand, eight hundred four".