7965140 has 48 divisors (see below), whose sum is σ = 17902080. Its totient is φ = 2970240.

The previous prime is 7965131. The next prime is 7965151. The reversal of 7965140 is 415697.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7965097 and 7965106.

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, 17759 + ... + 18201.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

Almost surely, 2^7965140 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 7965140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8951040).

7965140 is an abundant number, since it is smaller than the sum of its proper divisors (9936940).

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

7965140 is a wasteful number, since it uses less digits than its factorization.

7965140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 7965140 is about 2822.2579612785. The cubic root of 7965140 is about 199.7090770243.

The spelling of 7965140 in words is "seven million, nine hundred sixty-five thousand, one hundred forty".