3722173641 has 24 divisors (see below), whose sum is σ = 5579892864. Its totient is φ = 2479539600.

The previous prime is 3722173639. The next prime is 3722173661. The reversal of 3722173641 is 1463712273.

3722173641 is a `hidden beast` number, since 3 + 7 + 2 + 2 + 1 + 7 + 3 + 641 = 666.

It is not a de Polignac number, because 3722173641 - 2¹ = 3722173639 is a prime.

It is a super-2 number, since 2×3722173641² = 27709153227510393762, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3722173596 and 3722173605.

It is not an unprimeable number, because it can be changed into a prime (3722173661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356191 + ... + 366491.

It is an arithmetic number, because the mean of its divisors is an integer number (232495536).

Almost surely, 2^3722173641 is an apocalyptic number.

It is an amenable number.

3722173641 is a deficient number, since it is larger than the sum of its proper divisors (1857719223).

3722173641 is a wasteful number, since it uses less digits than its factorization.

3722173641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803 (or 11791 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 3722173641 is about 61009.6192497544. The cubic root of 3722173641 is about 1549.7639100700.

The spelling of 3722173641 in words is "three billion, seven hundred twenty-two million, one hundred seventy-three thousand, six hundred forty-one".