3687427380 has 144 divisors (see below), whose sum is σ = 12934494720. Its totient is φ = 777998592.

The previous prime is 3687427361. The next prime is 3687427391. The reversal of 3687427380 is 837247863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10020 + ... + 86459.

It is an arithmetic number, because the mean of its divisors is an integer number (89822880).

Almost surely, 2^3687427380 is an apocalyptic number.

3687427380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3687427380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6467247360).

3687427380 is an abundant number, since it is smaller than the sum of its proper divisors (9247067340).

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

3687427380 is a wasteful number, since it uses less digits than its factorization.

3687427380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96518 (or 96509 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 3687427380 is about 60724.1910608943. The cubic root of 3687427380 is about 1544.9265096326.

The spelling of 3687427380 in words is "three billion, six hundred eighty-seven million, four hundred twenty-seven thousand, three hundred eighty".