3766686012 has 36 divisors (see below), whose sum is σ = 9525513816. Its totient is φ = 1255012320.

The previous prime is 3766685999. The next prime is 3766686019. The reversal of 3766686012 is 2106866673.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3766686019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65098 + ... + 108494.

It is an arithmetic number, because the mean of its divisors is an integer number (264597606).

Almost surely, 2^3766686012 is an apocalyptic number.

It is an amenable number.

3766686012 is an abundant number, since it is smaller than the sum of its proper divisors (5758827804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3766686012 is a wasteful number, since it uses less digits than its factorization.

3766686012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45818 (or 45813 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 3766686012 is about 61373.3330690130. Note that the first 3 decimals coincide. The cubic root of 3766686012 is about 1555.9171689066.

The spelling of 3766686012 in words is "three billion, seven hundred sixty-six million, six hundred eighty-six thousand, twelve".