3074728272 has 160 divisors (see below), whose sum is σ = 10043357184. Its totient is φ = 787315200.

The previous prime is 3074728271. The next prime is 3074728309. The reversal of 3074728272 is 2728274703.

It is a super-2 number, since 2×3074728272² = 18907907893272211968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3074728271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256558 + ... + 268274.

Almost surely, 2^3074728272 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 3074728272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5021678592).

3074728272 is an abundant number, since it is smaller than the sum of its proper divisors (6968628912).

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

3074728272 is a wasteful number, since it uses less digits than its factorization.

3074728272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817 (or 11811 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 3074728272 is about 55450.2323890532. The cubic root of 3074728272 is about 1454.1266940858.

The spelling of 3074728272 in words is "three billion, seventy-four million, seven hundred twenty-eight thousand, two hundred seventy-two".