7894080740 has 96 divisors (see below), whose sum is σ = 20435944704. Its totient is φ = 2494333440.

The previous prime is 7894080629. The next prime is 7894080751. The reversal of 7894080740 is 470804987.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1254482 + ... + 1260758.

It is an arithmetic number, because the mean of its divisors is an integer number (212874424).

Almost surely, 2^7894080740 is an apocalyptic number.

7894080740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7894080740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10217972352).

7894080740 is an abundant number, since it is smaller than the sum of its proper divisors (12541863964).

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

7894080740 is a wasteful number, since it uses less digits than its factorization.

7894080740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997 (or 6995 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 7894080740 is about 88848.6394943670. The cubic root of 7894080740 is about 1991.1341514384.

The spelling of 7894080740 in words is "seven billion, eight hundred ninety-four million, eighty thousand, seven hundred forty".