248729066 has 8 divisors (see below), whose sum is σ = 373196160. Its totient is φ = 124330348.

The previous prime is 248729021. The next prime is 248729069. The reversal of 248729066 is 660927842.

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

It is a super-2 number, since 2×248729066² = 123732296546464712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248729069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6746 + ... + 23301.

It is an arithmetic number, because the mean of its divisors is an integer number (46649520).

Almost surely, 2^248729066 is an apocalyptic number.

248729066 is a deficient number, since it is larger than the sum of its proper divisors (124467094).

248729066 is a wasteful number, since it uses less digits than its factorization.

248729066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34188.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 248729066 is about 15771.1466292087. The cubic root of 248729066 is about 628.8911931618.

The spelling of 248729066 in words is "two hundred forty-eight million, seven hundred twenty-nine thousand, sixty-six".