7874842940 has 24 divisors (see below), whose sum is σ = 16940517552. Its totient is φ = 3073109120.

The previous prime is 7874842939. The next prime is 7874842949. The reversal of 7874842940 is 492484787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7874842949) 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, 4800914 + ... + 4802553.

It is an arithmetic number, because the mean of its divisors is an integer number (705854898).

Almost surely, 2^7874842940 is an apocalyptic number.

It is an amenable number.

7874842940 is an abundant number, since it is smaller than the sum of its proper divisors (9065674612).

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

7874842940 is a wasteful number, since it uses less digits than its factorization.

7874842940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9603517 (or 9603515 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The square root of 7874842940 is about 88740.3118092336. The cubic root of 7874842940 is about 1989.5153773899.

The spelling of 7874842940 in words is "seven billion, eight hundred seventy-four million, eight hundred forty-two thousand, nine hundred forty".