266725474 has 8 divisors (see below), whose sum is σ = 409392720. Its totient is φ = 130261236.

The previous prime is 266725469. The next prime is 266725493. The reversal of 266725474 is 474527662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×266725474² = 142284956961049352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 266725474.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550644 + ... + 1550815.

It is an arithmetic number, because the mean of its divisors is an integer number (51174090).

Almost surely, 2^266725474 is an apocalyptic number.

266725474 is a deficient number, since it is larger than the sum of its proper divisors (142667246).

266725474 is a wasteful number, since it uses less digits than its factorization.

266725474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101504.

The product of its digits is 564480, while the sum is 43.

The square root of 266725474 is about 16331.7321187925. The cubic root of 266725474 is about 643.7069011395.

The spelling of 266725474 in words is "two hundred sixty-six million, seven hundred twenty-five thousand, four hundred seventy-four".