7216140 has 48 divisors (see below), whose sum is σ = 20385792. Its totient is φ = 1907136.

The previous prime is 7216129. The next prime is 7216141. The reversal of 7216140 is 416127.

It is not an unprimeable number, because it can be changed into a prime (7216141) 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, 7147 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (424704).

Almost surely, 2^7216140 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 7216140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10192896).

7216140 is an abundant number, since it is smaller than the sum of its proper divisors (13169652).

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

7216140 is a wasteful number, since it uses less digits than its factorization.

7216140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 7216140 is about 2686.2874008564. The cubic root of 7216140 is about 193.2420562654.

The spelling of 7216140 in words is "seven million, two hundred sixteen thousand, one hundred forty".