670005065 has 32 divisors (see below), whose sum is σ = 878190336. Its totient is φ = 489265920.

The previous prime is 670004921. The next prime is 670005101. The reversal of 670005065 is 560500076.

It is not a de Polignac number, because 670005065 - 2²⁰ = 668956489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224030 + ... + 227000.

It is an arithmetic number, because the mean of its divisors is an integer number (27443448).

Almost surely, 2^670005065 is an apocalyptic number.

It is an amenable number.

670005065 is a deficient number, since it is larger than the sum of its proper divisors (208185271).

670005065 is a wasteful number, since it uses less digits than its factorization.

670005065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 670005065 is about 25884.4560499154. The cubic root of 670005065 is about 875.0362172764.

The spelling of 670005065 in words is "six hundred seventy million, five thousand, sixty-five".