3687381722 has 16 divisors (see below), whose sum is σ = 5607288960. Its totient is φ = 1818337248.

The previous prime is 3687381721. The next prime is 3687381727. The reversal of 3687381722 is 2271837863.

It is not an unprimeable number, because it can be changed into a prime (3687381721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135593 + ... + 160499.

It is an arithmetic number, because the mean of its divisors is an integer number (350455560).

Almost surely, 2^3687381722 is an apocalyptic number.

3687381722 is a deficient number, since it is larger than the sum of its proper divisors (1919907238).

3687381722 is a wasteful number, since it uses less digits than its factorization.

3687381722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25925.

The product of its digits is 677376, while the sum is 47.

The square root of 3687381722 is about 60723.8151140061. The cubic root of 3687381722 is about 1544.9201331413.

The spelling of 3687381722 in words is "three billion, six hundred eighty-seven million, three hundred eighty-one thousand, seven hundred twenty-two".