7290816 has 112 divisors (see below), whose sum is σ = 21848064. Its totient is φ = 2128896.

The previous prime is 7290809. The next prime is 7290821. The reversal of 7290816 is 6180927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57345 + ... + 57471.

It is an arithmetic number, because the mean of its divisors is an integer number (195072).

Almost surely, 2^7290816 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 7290816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10924032).

7290816 is an abundant number, since it is smaller than the sum of its proper divisors (14557248).

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

7290816 is a wasteful number, since it uses less digits than its factorization.

7290816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 7290816 is about 2700.1511068827. The cubic root of 7290816 is about 193.9063564778.

The spelling of 7290816 in words is "seven million, two hundred ninety thousand, eight hundred sixteen".