3078145728 has 84 divisors (see below), whose sum is σ = 10083383440. Its totient is φ = 879469056.

The previous prime is 3078145727. The next prime is 3078145751. The reversal of 3078145728 is 8275418703.

3078145728 is a `hidden beast` number, since 3 + 0 + 78 + 1 + 4 + 572 + 8 = 666.

3078145728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×3078145728² = 18949962245609299968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3078145727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377683 + ... + 385746.

Almost surely, 2^3078145728 is an apocalyptic number.

It is an amenable number.

3078145728 is an abundant number, since it is smaller than the sum of its proper divisors (7005237712).

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

3078145728 is a wasteful number, since it uses less digits than its factorization.

3078145728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763454 (or 763441 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 3078145728 is about 55481.0393558015. The cubic root of 3078145728 is about 1454.6652320834.

The spelling of 3078145728 in words is "three billion, seventy-eight million, one hundred forty-five thousand, seven hundred twenty-eight".