3722631872 has 28 divisors (see below), whose sum is σ = 7508205456. Its totient is φ = 1830800640.

The previous prime is 3722631821. The next prime is 3722631877. The reversal of 3722631872 is 2781362273.

It is not an unprimeable number, because it can be changed into a prime (3722631877) 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, 472868 + ... + 480675.

Almost surely, 2^3722631872 is an apocalyptic number.

3722631872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3722631872 is an abundant number, since it is smaller than the sum of its proper divisors (3785573584).

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

3722631872 is an equidigital number, since it uses as much as digits as its factorization.

3722631872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953616 (or 953606 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 3722631872 is about 61013.3745337856. The cubic root of 3722631872 is about 1549.8275038009.

The spelling of 3722631872 in words is "three billion, seven hundred twenty-two million, six hundred thirty-one thousand, eight hundred seventy-two".