725560266 has 8 divisors (see below), whose sum is σ = 1451120544. Its totient is φ = 241853420.

The previous prime is 725560223. The next prime is 725560279. The reversal of 725560266 is 662065527.

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

725560266 is an admirable number.

It is a Curzon number.

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, 60463350 + ... + 60463361.

It is an arithmetic number, because the mean of its divisors is an integer number (181390068).

Almost surely, 2^725560266 is an apocalyptic number.

725560266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

725560266 is a wasteful number, since it uses less digits than its factorization.

725560266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120926716.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 725560266 is about 26936.2259049036. The cubic root of 725560266 is about 898.5822393942.

The spelling of 725560266 in words is "seven hundred twenty-five million, five hundred sixty thousand, two hundred sixty-six".