3980725734 has 16 divisors (see below), whose sum is σ = 8176626288. Its totient is φ = 1291046112.

The previous prime is 3980725709. The next prime is 3980725741. The reversal of 3980725734 is 4375270893.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8965377 + ... + 8965820.

It is an arithmetic number, because the mean of its divisors is an integer number (511039143).

Almost surely, 2^3980725734 is an apocalyptic number.

3980725734 is an abundant number, since it is smaller than the sum of its proper divisors (4195900554).

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

3980725734 is a wasteful number, since it uses less digits than its factorization.

3980725734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17931239.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The square root of 3980725734 is about 63092.9927487990. The cubic root of 3980725734 is about 1584.8472798815.

The spelling of 3980725734 in words is "three billion, nine hundred eighty million, seven hundred twenty-five thousand, seven hundred thirty-four".