670218082 has 4 divisors (see below), whose sum is σ = 1005327126. Its totient is φ = 335109040.

The previous prime is 670218077. The next prime is 670218083. The reversal of 670218082 is 280812076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 525280561 + 144937521 = 22919^2 + 12039^2 .

It is not an unprimeable number, because it can be changed into a prime (670218083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167554519 + ... + 167554522.

Almost surely, 2^670218082 is an apocalyptic number.

670218082 is a deficient number, since it is larger than the sum of its proper divisors (335109044).

670218082 is a wasteful number, since it uses less digits than its factorization.

670218082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335109043.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 670218082 is about 25888.5704896968. The cubic root of 670218082 is about 875.1289418687.

The spelling of 670218082 in words is "six hundred seventy million, two hundred eighteen thousand, eighty-two".