3721331372 has 12 divisors (see below), whose sum is σ = 7104359976. Its totient is φ = 1691514240.

The previous prime is 3721331371. The next prime is 3721331381. The reversal of 3721331372 is 2731331273.

It is not an unprimeable number, because it can be changed into a prime (3721331371) 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 3 ways as a sum of consecutive naturals, for example, 42287813 + ... + 42287900.

It is an arithmetic number, because the mean of its divisors is an integer number (592029998).

Almost surely, 2^3721331372 is an apocalyptic number.

It is an amenable number.

3721331372 is a deficient number, since it is larger than the sum of its proper divisors (3383028604).

3721331372 is a wasteful number, since it uses less digits than its factorization.

3721331372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84575728 (or 84575726 counting only the distinct ones).

The product of its digits is 15876, while the sum is 32.

The square root of 3721331372 is about 61002.7161034654. The cubic root of 3721331372 is about 1549.6470055679.

Subtracting from 3721331372 its reverse (2731331273), we obtain a palindrome (990000099).

The spelling of 3721331372 in words is "three billion, seven hundred twenty-one million, three hundred thirty-one thousand, three hundred seventy-two".