1533049672 has 72 divisors (see below), whose sum is σ = 3675496230. Its totient is φ = 597273600.

The previous prime is 1533049667. The next prime is 1533049691. The reversal of 1533049672 is 2769403351.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1377448996 + 155600676 = 37114^2 + 12474^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31272 + ... + 63592.

Almost surely, 2^1533049672 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 1533049672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837748115).

1533049672 is an abundant number, since it is smaller than the sum of its proper divisors (2142446558).

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

1533049672 is a wasteful number, since it uses less digits than its factorization.

1533049672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32363 (or 32341 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 1533049672 is about 39154.1782189334. The cubic root of 1533049672 is about 1153.0604485052.

The spelling of 1533049672 in words is "one billion, five hundred thirty-three million, forty-nine thousand, six hundred seventy-two".