3149727768 has 360 divisors, whose sum is σ = 10375157100. Its totient is φ = 891855360.

The previous prime is 3149727767. The next prime is 3149727781. The reversal of 3149727768 is 8677279413.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149727767) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 22659843 + ... + 22659981.

Almost surely, 2^3149727768 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 3149727768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5187578550).

3149727768 is an abundant number, since it is smaller than the sum of its proper divisors (7225429332).

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

3149727768 is a wasteful number, since it uses less digits than its factorization.

3149727768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 172 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 3149727768 is about 56122.4355137943. The cubic root of 3149727768 is about 1465.8549786533.

The spelling of 3149727768 in words is "three billion, one hundred forty-nine million, seven hundred twenty-seven thousand, seven hundred sixty-eight".