537728668 has 24 divisors (see below), whose sum is σ = 960512000. Its totient is φ = 263351088.

The previous prime is 537728657. The next prime is 537728677. The reversal of 537728668 is 866827735.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33433 + ... + 46831.

Almost surely, 2^537728668 is an apocalyptic number.

It is an amenable number.

537728668 is a deficient number, since it is larger than the sum of its proper divisors (422783332).

537728668 is a wasteful number, since it uses less digits than its factorization.

537728668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13609 (or 13607 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The square root of 537728668 is about 23188.9772952582. The cubic root of 537728668 is about 813.1819501614.

The spelling of 537728668 in words is "five hundred thirty-seven million, seven hundred twenty-eight thousand, six hundred sixty-eight".