681048002 has 8 divisors (see below), whose sum is σ = 1021723200. Its totient is φ = 340473604.

The previous prime is 681047987. The next prime is 681048029. The reversal of 681048002 is 200840186.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5102 + ... + 37257.

It is an arithmetic number, because the mean of its divisors is an integer number (127715400).

Almost surely, 2^681048002 is an apocalyptic number.

681048002 is a deficient number, since it is larger than the sum of its proper divisors (340675198).

681048002 is a wasteful number, since it uses less digits than its factorization.

681048002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50400.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 681048002 is about 26096.8964055115. The cubic root of 681048002 is about 879.8174561102.

Adding to 681048002 its reverse (200840186), we get a palindrome (881888188).

The spelling of 681048002 in words is "six hundred eighty-one million, forty-eight thousand, two".