266074672 has 20 divisors (see below), whose sum is σ = 537934320. Its totient is φ = 127252928.

The previous prime is 266074663. The next prime is 266074673. The reversal of 266074672 is 276470662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (266074673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361147 + ... + 361882.

It is an arithmetic number, because the mean of its divisors is an integer number (26896716).

Almost surely, 2^266074672 is an apocalyptic number.

It is an amenable number.

266074672 is an abundant number, since it is smaller than the sum of its proper divisors (271859648).

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

266074672 is a wasteful number, since it uses less digits than its factorization.

266074672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723060 (or 723054 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 266074672 is about 16311.7954867023. The cubic root of 266074672 is about 643.1829330348.

The spelling of 266074672 in words is "two hundred sixty-six million, seventy-four thousand, six hundred seventy-two".