7258216 has 64 divisors (see below), whose sum is σ = 16634880. Its totient is φ = 2903040.

The previous prime is 7258211. The next prime is 7258243. The reversal of 7258216 is 6128527.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (7258211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64176 + ... + 64288.

It is an arithmetic number, because the mean of its divisors is an integer number (259920).

Almost surely, 2^7258216 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 7258216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8317440).

7258216 is an abundant number, since it is smaller than the sum of its proper divisors (9376664).

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

7258216 is a wasteful number, since it uses less digits than its factorization.

7258216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 190 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 7258216 is about 2694.1076444715. The cubic root of 7258216 is about 193.6169150578.

The spelling of 7258216 in words is "seven million, two hundred fifty-eight thousand, two hundred sixteen".