3939068720 has 20 divisors (see below), whose sum is σ = 9158334960. Its totient is φ = 1575627456.

The previous prime is 3939068689. The next prime is 3939068761. The reversal of 3939068720 is 278609393.

3939068720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24619100 + ... + 24619259.

It is an arithmetic number, because the mean of its divisors is an integer number (457916748).

Almost surely, 2^3939068720 is an apocalyptic number.

It is an amenable number.

3939068720 is an abundant number, since it is smaller than the sum of its proper divisors (5219266240).

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

3939068720 is a wasteful number, since it uses less digits than its factorization.

3939068720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49238372 (or 49238366 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 3939068720 is about 62762.0006054619. Note that the first 3 decimals coincide. The cubic root of 3939068720 is about 1579.2995773832.

The spelling of 3939068720 in words is "three billion, nine hundred thirty-nine million, sixty-eight thousand, seven hundred twenty".