7840934712 has 96 divisors (see below), whose sum is σ = 22925120400. Its totient is φ = 2406716928.

The previous prime is 7840934683. The next prime is 7840934713. The reversal of 7840934712 is 2174390487.

It is a super-2 number, since 2×7840934712² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7840934713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382188 + ... + 402180.

Almost surely, 2^7840934712 is an apocalyptic number.

7840934712 is a gapful number since it is divisible by the number (72) 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 7840934712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11462560200).

7840934712 is an abundant number, since it is smaller than the sum of its proper divisors (15084185688).

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

7840934712 is a wasteful number, since it uses less digits than its factorization.

7840934712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20437 (or 20430 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 7840934712 is about 88549.0525753946. The cubic root of 7840934712 is about 1986.6557224797.

The spelling of 7840934712 in words is "seven billion, eight hundred forty million, nine hundred thirty-four thousand, seven hundred twelve".