670911914 has 4 divisors (see below), whose sum is σ = 1006367874. Its totient is φ = 335455956.

The previous prime is 670911881. The next prime is 670911931. The reversal of 670911914 is 419119076.

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., 343917025 + 326994889 = 18545^2 + 18083^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 167727977 + ... + 167727980.

Almost surely, 2^670911914 is an apocalyptic number.

670911914 is a deficient number, since it is larger than the sum of its proper divisors (335455960).

670911914 is a wasteful number, since it uses less digits than its factorization.

670911914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335455959.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 670911914 is about 25901.9673770160. The cubic root of 670911914 is about 875.4308252268.

The spelling of 670911914 in words is "six hundred seventy million, nine hundred eleven thousand, nine hundred fourteen".