670023105 has 32 divisors (see below), whose sum is σ = 1111363200. Its totient is φ = 344289792.

The previous prime is 670023103. The next prime is 670023161. The reversal of 670023105 is 501320076.

It is not a de Polignac number, because 670023105 - 2¹ = 670023103 is a prime.

It is a super-2 number, since 2×670023105² = 897861922467682050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670023103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246162 + ... + 248868.

It is an arithmetic number, because the mean of its divisors is an integer number (34730100).

Almost surely, 2^670023105 is an apocalyptic number.

It is an amenable number.

670023105 is a deficient number, since it is larger than the sum of its proper divisors (441340095).

670023105 is a wasteful number, since it uses less digits than its factorization.

670023105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 670023105 is about 25884.8045192541. The cubic root of 670023105 is about 875.0440707054.

It can be divided in two parts, 67002 and 3105, that added together give a palindrome (70107).

The spelling of 670023105 in words is "six hundred seventy million, twenty-three thousand, one hundred five".