1573487272 has 16 divisors (see below), whose sum is σ = 3371758560. Its totient is φ = 674351664.

The previous prime is 1573487257. The next prime is 1573487273. The reversal of 1573487272 is 2727843751.

It is not an unprimeable number, because it can be changed into a prime (1573487273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14048938 + ... + 14049049.

It is an arithmetic number, because the mean of its divisors is an integer number (210734910).

Almost surely, 2^1573487272 is an apocalyptic number.

It is an amenable number.

1573487272 is an abundant number, since it is smaller than the sum of its proper divisors (1798271288).

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

1573487272 is a wasteful number, since it uses less digits than its factorization.

1573487272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28098000 (or 28097996 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 1573487272 is about 39667.2065061305. The cubic root of 1573487272 is about 1163.1107724601.

The spelling of 1573487272 in words is "one billion, five hundred seventy-three million, four hundred eighty-seven thousand, two hundred seventy-two".