7068791940 has 144 divisors (see below), whose sum is σ = 24025341312. Its totient is φ = 1545460224.

The previous prime is 7068791929. The next prime is 7068791959. The reversal of 7068791940 is 491978607.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15352 + ... + 119888.

It is an arithmetic number, because the mean of its divisors is an integer number (166842648).

Almost surely, 2^7068791940 is an apocalyptic number.

7068791940 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 7068791940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12012670656).

7068791940 is an abundant number, since it is smaller than the sum of its proper divisors (16956549372).

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

7068791940 is a wasteful number, since it uses less digits than its factorization.

7068791940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104586 (or 104577 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 7068791940 is about 84076.1080212447. The cubic root of 7068791940 is about 1919.1771593472.

The spelling of 7068791940 in words is "seven billion, sixty-eight million, seven hundred ninety-one thousand, nine hundred forty".