3942705732 has 96 divisors (see below), whose sum is σ = 11302932480. Its totient is φ = 1044472320.

The previous prime is 3942705707. The next prime is 3942705743. The reversal of 3942705732 is 2375072493.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48732 + ... + 101292.

It is an arithmetic number, because the mean of its divisors is an integer number (117738880).

Almost surely, 2^3942705732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3942705732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5651466240).

3942705732 is an abundant number, since it is smaller than the sum of its proper divisors (7360226748).

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

3942705732 is a wasteful number, since it uses less digits than its factorization.

3942705732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52641 (or 52639 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 3942705732 is about 62790.9685544028. The cubic root of 3942705732 is about 1579.7854929641.

The spelling of 3942705732 in words is "three billion, nine hundred forty-two million, seven hundred five thousand, seven hundred thirty-two".