3722765672 has 16 divisors (see below), whose sum is σ = 7390785060. Its totient is φ = 1751889664.

The previous prime is 3722765647. The next prime is 3722765747. The reversal of 3722765672 is 2765672273.

It can be written as a sum of positive squares in 2 ways, for example, as 3104049796 + 618715876 = 55714^2 + 24874^2 .

It is a super-3 number, since 3×3722765672³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13686503 + ... + 13686774.

Almost surely, 2^3722765672 is an apocalyptic number.

It is an amenable number.

3722765672 is a deficient number, since it is larger than the sum of its proper divisors (3668019388).

3722765672 is a wasteful number, since it uses less digits than its factorization.

3722765672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27373300 (or 27373296 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 47.

The square root of 3722765672 is about 61014.4710048362. The cubic root of 3722765672 is about 1549.8460717068.

The spelling of 3722765672 in words is "three billion, seven hundred twenty-two million, seven hundred sixty-five thousand, six hundred seventy-two".