727252666 has 8 divisors (see below), whose sum is σ = 1246718880. Its totient is φ = 311679708.

The previous prime is 727252651. The next prime is 727252681. The reversal of 727252666 is 666252727.

It is an interprime number because it is at equal distance from previous prime (727252651) and next prime (727252681).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25973296 + ... + 25973323.

It is an arithmetic number, because the mean of its divisors is an integer number (155839860).

Almost surely, 2^727252666 is an apocalyptic number.

727252666 is a deficient number, since it is larger than the sum of its proper divisors (519466214).

727252666 is a wasteful number, since it uses less digits than its factorization.

727252666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51946628.

The product of its digits is 423360, while the sum is 43.

The square root of 727252666 is about 26967.6225500136. The cubic root of 727252666 is about 899.2803572351.

The spelling of 727252666 in words is "seven hundred twenty-seven million, two hundred fifty-two thousand, six hundred sixty-six".