7164140 has 48 divisors (see below), whose sum is σ = 16783200. Its totient is φ = 2552832.

The previous prime is 7164139. The next prime is 7164151. The reversal of 7164140 is 414617.

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, 5906 + ... + 7014.

It is an arithmetic number, because the mean of its divisors is an integer number (349650).

Almost surely, 2^7164140 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 7164140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8391600).

7164140 is an abundant number, since it is smaller than the sum of its proper divisors (9619060).

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

7164140 is a wasteful number, since it uses less digits than its factorization.

7164140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 7164140 is about 2676.5911155797. The cubic root of 7164140 is about 192.7767649898.

Adding to 7164140 its reverse (414617), we get a palindrome (7578757).

The spelling of 7164140 in words is "seven million, one hundred sixty-four thousand, one hundred forty".