266072 has 16 divisors (see below), whose sum is σ = 506400. Its totient is φ = 131040.

The previous prime is 266059. The next prime is 266081. The reversal of 266072 is 270662.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266072.

It is an unprimeable number.

266072 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422 + ... + 842.

It is an arithmetic number, because the mean of its divisors is an integer number (31650).

2²⁶⁶⁰⁷² is an apocalyptic number.

It is an amenable number.

266072 is a deficient number, since it is larger than the sum of its proper divisors (240328).

266072 is a wasteful number, since it uses less digits than its factorization.

266072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 266072 is about 515.8216746125. The cubic root of 266072 is about 64.3180780017.

The spelling of 266072 in words is "two hundred sixty-six thousand, seventy-two".