3872723361 has 32 divisors (see below), whose sum is σ = 5666304000. Its totient is φ = 2338175808.

The previous prime is 3872723359. The next prime is 3872723389. The reversal of 3872723361 is 1633272783.

It is not a de Polignac number, because 3872723361 - 2¹ = 3872723359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3872723321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1422960 + ... + 1425678.

It is an arithmetic number, because the mean of its divisors is an integer number (177072000).

Almost surely, 2^3872723361 is an apocalyptic number.

It is an amenable number.

3872723361 is a deficient number, since it is larger than the sum of its proper divisors (1793580639).

3872723361 is a wasteful number, since it uses less digits than its factorization.

3872723361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413.

The product of its digits is 254016, while the sum is 42.

The square root of 3872723361 is about 62231.2088987511. The cubic root of 3872723361 is about 1570.3826620765.

The spelling of 3872723361 in words is "three billion, eight hundred seventy-two million, seven hundred twenty-three thousand, three hundred sixty-one".