670768498 has 8 divisors (see below), whose sum is σ = 1012905900. Its totient is φ = 333133200.

The previous prime is 670768489. The next prime is 670768559. The reversal of 670768498 is 894867076.

It can be written as a sum of positive squares in 2 ways, for example, as 665278849 + 5489649 = 25793^2 + 2343^2 .

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, 1125153 + ... + 1125748.

Almost surely, 2^670768498 is an apocalyptic number.

670768498 is a deficient number, since it is larger than the sum of its proper divisors (342137402).

670768498 is a wasteful number, since it uses less digits than its factorization.

670768498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251052.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The square root of 670768498 is about 25899.1987906962. The cubic root of 670768498 is about 875.3684426041.

The spelling of 670768498 in words is "six hundred seventy million, seven hundred sixty-eight thousand, four hundred ninety-eight".