1536472728 has 48 divisors (see below), whose sum is σ = 4755750480. Its totient is φ = 438992064.

The previous prime is 1536472709. The next prime is 1536472757. The reversal of 1536472728 is 8272746351.

1536472728 is a `hidden beast` number, since 1 + 536 + 47 + 2 + 72 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1523775 + ... + 1524782.

It is an arithmetic number, because the mean of its divisors is an integer number (99078135).

Almost surely, 2^1536472728 is an apocalyptic number.

1536472728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1536472728 is an abundant number, since it is smaller than the sum of its proper divisors (3219277752).

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

1536472728 is a wasteful number, since it uses less digits than its factorization.

1536472728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048576 (or 3048569 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 1536472728 is about 39197.8663705054. The cubic root of 1536472728 is about 1153.9180107291.

The spelling of 1536472728 in words is "one billion, five hundred thirty-six million, four hundred seventy-two thousand, seven hundred twenty-eight".