1573888968 has 80 divisors (see below), whose sum is σ = 4667693580. Its totient is φ = 493765632.

The previous prime is 1573888963. The next prime is 1573888991. The reversal of 1573888968 is 8698883751.

It can be written as a sum of positive squares in 2 ways, for example, as 1376261604 + 197627364 = 37098^2 + 14058^2 .

It is not an unprimeable number, because it can be changed into a prime (1573888961) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60421 + ... + 82452.

Almost surely, 2^1573888968 is an apocalyptic number.

1573888968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1573888968 is an abundant number, since it is smaller than the sum of its proper divisors (3093804612).

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

1573888968 is a wasteful number, since it uses less digits than its factorization.

1573888968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142908 (or 142895 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The square root of 1573888968 is about 39672.2695090664. The cubic root of 1573888968 is about 1163.2097409954.

The spelling of 1573888968 in words is "one billion, five hundred seventy-three million, eight hundred eighty-eight thousand, nine hundred sixty-eight".