3671773812 has 72 divisors (see below), whose sum is σ = 10630890816. Its totient is φ = 1046749824.

The previous prime is 3671773739. The next prime is 3671773823. The reversal of 3671773812 is 2183771763.

It is a super-2 number, since 2×3671773812² = 26963845852978022688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99223 + ... + 131105.

Almost surely, 2^3671773812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3671773812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5315445408).

3671773812 is an abundant number, since it is smaller than the sum of its proper divisors (6959117004).

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

3671773812 is a wasteful number, since it uses less digits than its factorization.

3671773812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32357 (or 32352 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 3671773812 is about 60595.1632723273. The cubic root of 3671773812 is about 1542.7372765637.

The spelling of 3671773812 in words is "three billion, six hundred seventy-one million, seven hundred seventy-three thousand, eight hundred twelve".