7948140 has 24 divisors (see below), whose sum is σ = 22254960. Its totient is φ = 2119488.

The previous prime is 7948103. The next prime is 7948147. The reversal of 7948140 is 418497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7948147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66175 + ... + 66294.

It is an arithmetic number, because the mean of its divisors is an integer number (927290).

Almost surely, 2^7948140 is an apocalyptic number.

It is an amenable number.

7948140 is an abundant number, since it is smaller than the sum of its proper divisors (14306820).

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

7948140 is a wasteful number, since it uses less digits than its factorization.

7948140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132481 (or 132479 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 7948140 is about 2819.2445796702. The cubic root of 7948140 is about 199.5668961155.

The spelling of 7948140 in words is "seven million, nine hundred forty-eight thousand, one hundred forty".