3766666672 has 20 divisors (see below), whose sum is σ = 7421612040. Its totient is φ = 1851411968.

The previous prime is 3766666661. The next prime is 3766666681. The reversal of 3766666672 is 2766666673.

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, 1994113 + ... + 1996000.

It is an arithmetic number, because the mean of its divisors is an integer number (371080602).

Almost surely, 2^3766666672 is an apocalyptic number.

It is an amenable number.

3766666672 is a deficient number, since it is larger than the sum of its proper divisors (3654945368).

3766666672 is a wasteful number, since it uses less digits than its factorization.

3766666672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990180 (or 3990174 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 55.

The square root of 3766666672 is about 61373.1755085233. The cubic root of 3766666672 is about 1555.9145059566.

Subtracting from 3766666672 its reverse (2766666673), we obtain a palindrome (999999999).

The spelling of 3766666672 in words is "three billion, seven hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-two".