7970840 has 32 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 3151104.

The previous prime is 7970827. The next prime is 7970849. The reversal of 7970840 is 480797.

It is a self number, because there is not a number n which added to its sum of digits gives 7970840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7970849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2441 + ... + 4679.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

Almost surely, 2^7970840 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 7970840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9072000).

7970840 is an abundant number, since it is smaller than the sum of its proper divisors (10173160).

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

7970840 is a wasteful number, since it uses less digits than its factorization.

7970840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 7970840 is about 2823.2676104117. The cubic root of 7970840 is about 199.7567041557.

The spelling of 7970840 in words is "seven million, nine hundred seventy thousand, eight hundred forty".