3746331648 has 330 divisors, whose sum is σ = 11805753168. Its totient is φ = 1182781440.

The previous prime is 3746331637. The next prime is 3746331649. The reversal of 3746331648 is 8461336473.

3746331648 is a `hidden beast` number, since 3 + 7 + 4 + 633 + 1 + 6 + 4 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3746331649) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 79709161 + ... + 79709207.

Almost surely, 2^3746331648 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 3746331648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5902876584).

3746331648 is an abundant number, since it is smaller than the sum of its proper divisors (8059421520).

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

3746331648 is an equidigital number, since it uses as much as digits as its factorization.

3746331648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 83 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 3746331648 is about 61207.2842723805. The cubic root of 3746331648 is about 1553.1094911392.

The spelling of 3746331648 in words is "three billion, seven hundred forty-six million, three hundred thirty-one thousand, six hundred forty-eight".