537440068 has 24 divisors (see below), whose sum is σ = 1032179904. Its totient is φ = 242824800.

The previous prime is 537440053. The next prime is 537440077. The reversal of 537440068 is 860044735.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29223 + ... + 43918.

It is an arithmetic number, because the mean of its divisors is an integer number (43007496).

Almost surely, 2^537440068 is an apocalyptic number.

It is an amenable number.

537440068 is a deficient number, since it is larger than the sum of its proper divisors (494739836).

537440068 is a wasteful number, since it uses less digits than its factorization.

537440068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73323 (or 73321 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 537440068 is about 23182.7536759549. The cubic root of 537440068 is about 813.0364453604.

The spelling of 537440068 in words is "five hundred thirty-seven million, four hundred forty thousand, sixty-eight".