7734349986 has 64 divisors (see below), whose sum is σ = 17259264000. Its totient is φ = 2290512960.

The previous prime is 7734349981. The next prime is 7734349993. The reversal of 7734349986 is 6899434377.

It is not an unprimeable number, because it can be changed into a prime (7734349981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2812140 + ... + 2814888.

It is an arithmetic number, because the mean of its divisors is an integer number (269676000).

Almost surely, 2^7734349986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7734349986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8629632000).

7734349986 is an abundant number, since it is smaller than the sum of its proper divisors (9524914014).

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

7734349986 is a wasteful number, since it uses less digits than its factorization.

7734349986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719.

The product of its digits is 27433728, while the sum is 60.

The square root of 7734349986 is about 87945.1532831685. The cubic root of 7734349986 is about 1977.6128414072.

The spelling of 7734349986 in words is "seven billion, seven hundred thirty-four million, three hundred forty-nine thousand, nine hundred eighty-six".