670511930 has 32 divisors (see below), whose sum is σ = 1335201408. Its totient is φ = 240385600.

The previous prime is 670511921. The next prime is 670511999. The reversal of 670511930 is 39115076.

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 15 ways as a sum of consecutive naturals, for example, 35117 + ... + 50736.

It is an arithmetic number, because the mean of its divisors is an integer number (41725044).

Almost surely, 2^670511930 is an apocalyptic number.

670511930 is a deficient number, since it is larger than the sum of its proper divisors (664689478).

670511930 is a wasteful number, since it uses less digits than its factorization.

670511930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85942.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 670511930 is about 25894.2451135383. The cubic root of 670511930 is about 875.2568193080.

The spelling of 670511930 in words is "six hundred seventy million, five hundred eleven thousand, nine hundred thirty".