1532012728 has 16 divisors (see below), whose sum is σ = 2875496760. Its totient is φ = 765213600.

The previous prime is 1532012717. The next prime is 1532012759. The reversal of 1532012728 is 8272102351.

It is a self number, because there is not a number n which added to its sum of digits gives 1532012728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90843 + ... + 106378.

Almost surely, 2^1532012728 is an apocalyptic number.

It is an amenable number.

1532012728 is a deficient number, since it is larger than the sum of its proper divisors (1343484032).

1532012728 is a wasteful number, since it uses less digits than its factorization.

1532012728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198198 (or 198194 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1532012728 is about 39140.9341738288. The cubic root of 1532012728 is about 1152.8004158797.

The spelling of 1532012728 in words is "one billion, five hundred thirty-two million, twelve thousand, seven hundred twenty-eight".