670538675 has 6 divisors (see below), whose sum is σ = 831467988. Its totient is φ = 536430920.

The previous prime is 670538647. The next prime is 670538677. The reversal of 670538675 is 576835076.

It is a happy number.

It is not a de Polignac number, because 670538675 - 2¹⁴ = 670522291 is a prime.

It is a super-2 number, since 2×670538675² = 899244229341511250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670538677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13410749 + ... + 13410798.

It is an arithmetic number, because the mean of its divisors is an integer number (138577998).

Almost surely, 2^670538675 is an apocalyptic number.

670538675 is a deficient number, since it is larger than the sum of its proper divisors (160929313).

670538675 is a wasteful number, since it uses less digits than its factorization.

670538675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26821557 (or 26821552 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 670538675 is about 25894.7615358783. The cubic root of 670538675 is about 875.2684564027.

The spelling of 670538675 in words is "six hundred seventy million, five hundred thirty-eight thousand, six hundred seventy-five".