3872732845 has 16 divisors (see below), whose sum is σ = 4685345280. Its totient is φ = 3072913344.

The previous prime is 3872732833. The next prime is 3872732849. The reversal of 3872732845 is 5482372783.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3872732845 - 2⁹ = 3872732333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872732849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302586 + ... + 315124.

It is an arithmetic number, because the mean of its divisors is an integer number (292834080).

Almost surely, 2^3872732845 is an apocalyptic number.

It is an amenable number.

3872732845 is a deficient number, since it is larger than the sum of its proper divisors (812612435).

3872732845 is a wasteful number, since it uses less digits than its factorization.

3872732845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044.

The product of its digits is 2257920, while the sum is 49.

The square root of 3872732845 is about 62231.2850984133. The cubic root of 3872732845 is about 1570.3839439907.

The spelling of 3872732845 in words is "three billion, eight hundred seventy-two million, seven hundred thirty-two thousand, eight hundred forty-five".