267728068 has 6 divisors (see below), whose sum is σ = 468524126. Its totient is φ = 133864032.

The previous prime is 267728057. The next prime is 267728093. The reversal of 267728068 is 860827762.

It can be written as a sum of positive squares in only one way, i.e., 205979904 + 61748164 = 14352^2 + 7858^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33466005 + ... + 33466012.

Almost surely, 2^267728068 is an apocalyptic number.

It is an amenable number.

267728068 is a deficient number, since it is larger than the sum of its proper divisors (200796058).

267728068 is a wasteful number, since it uses less digits than its factorization.

267728068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66932021 (or 66932019 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 267728068 is about 16362.3979905147. The cubic root of 267728068 is about 644.5124356546.

The spelling of 267728068 in words is "two hundred sixty-seven million, seven hundred twenty-eight thousand, sixty-eight".