7975420 has 12 divisors (see below), whose sum is σ = 16748424. Its totient is φ = 3190160.

The previous prime is 7975417. The next prime is 7975423. The reversal of 7975420 is 245797.

It is an interprime number because it is at equal distance from previous prime (7975417) and next prime (7975423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7975423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199366 + ... + 199405.

It is an arithmetic number, because the mean of its divisors is an integer number (1395702).

Almost surely, 2^7975420 is an apocalyptic number.

It is an amenable number.

7975420 is an abundant number, since it is smaller than the sum of its proper divisors (8773004).

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

7975420 is a wasteful number, since it uses less digits than its factorization.

7975420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398780 (or 398778 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 7975420 is about 2824.0786108039. The cubic root of 7975420 is about 199.7949565244.

The spelling of 7975420 in words is "seven million, nine hundred seventy-five thousand, four hundred twenty".