3967709732 has 72 divisors (see below), whose sum is σ = 8683516800. Its totient is φ = 1576604736.

The previous prime is 3967709731. The next prime is 3967709741. The reversal of 3967709732 is 2379077693.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3967709731) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 163694 + ... + 186362.

It is an arithmetic number, because the mean of its divisors is an integer number (120604400).

Almost surely, 2^3967709732 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 3967709732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4341758400).

3967709732 is an abundant number, since it is smaller than the sum of its proper divisors (4715807068).

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

3967709732 is a wasteful number, since it uses less digits than its factorization.

3967709732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22753 (or 22744 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 53.

The square root of 3967709732 is about 62989.7589454032. The cubic root of 3967709732 is about 1583.1180391243.

The spelling of 3967709732 in words is "three billion, nine hundred sixty-seven million, seven hundred nine thousand, seven hundred thirty-two".