3981767734 has 12 divisors (see below), whose sum is σ = 6947778564. Its totient is φ = 1706471844.

The previous prime is 3981767731. The next prime is 3981767747. The reversal of 3981767734 is 4377671893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981767731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20315044 + ... + 20315239.

It is an arithmetic number, because the mean of its divisors is an integer number (578981547).

Almost surely, 2^3981767734 is an apocalyptic number.

3981767734 is a deficient number, since it is larger than the sum of its proper divisors (2966010830).

3981767734 is a wasteful number, since it uses less digits than its factorization.

3981767734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40630299 (or 40630292 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 55.

The square root of 3981767734 is about 63101.2498608387. The cubic root of 3981767734 is about 1584.9855517197.

The spelling of 3981767734 in words is "three billion, nine hundred eighty-one million, seven hundred sixty-seven thousand, seven hundred thirty-four".