3646673872 has 40 divisors (see below), whose sum is σ = 7148486912. Its totient is φ = 1801958400.

The previous prime is 3646673843. The next prime is 3646673909. The reversal of 3646673872 is 2783766463.

It is a super-3 number, since 3×3646673872³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536847 + ... + 1539217.

Almost surely, 2^3646673872 is an apocalyptic number.

It is an amenable number.

3646673872 is a deficient number, since it is larger than the sum of its proper divisors (3501813040).

3646673872 is a wasteful number, since it uses less digits than its factorization.

3646673872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467 (or 3461 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 52.

The square root of 3646673872 is about 60387.6963627526. The cubic root of 3646673872 is about 1539.2138946285.

The spelling of 3646673872 in words is "three billion, six hundred forty-six million, six hundred seventy-three thousand, eight hundred seventy-two".