7210740 has 48 divisors (see below), whose sum is σ = 20627712. Its totient is φ = 1881216.

The previous prime is 7210739. The next prime is 7210751. The reversal of 7210740 is 470127.

7210740 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 1542 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (429744).

Almost surely, 2^7210740 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 7210740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10313856).

7210740 is an abundant number, since it is smaller than the sum of its proper divisors (13416972).

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

7210740 is a wasteful number, since it uses less digits than its factorization.

7210740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 2614 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 7210740 is about 2685.2821080847. The cubic root of 7210740 is about 193.1938417765.

Adding to 7210740 its reverse (470127), we get a palindrome (7680867).

The spelling of 7210740 in words is "seven million, two hundred ten thousand, seven hundred forty".