670170042 has 24 divisors (see below), whose sum is σ = 1456209300. Its totient is φ = 222747840.

The previous prime is 670170031. The next prime is 670170049. The reversal of 670170042 is 240071076.

It can be written as a sum of positive squares in 2 ways, for example, as 641558241 + 28611801 = 25329^2 + 5349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 670169988 and 670170015.

It is not an unprimeable number, because it can be changed into a prime (670170049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47059 + ... + 59622.

Almost surely, 2^670170042 is an apocalyptic number.

670170042 is an abundant number, since it is smaller than the sum of its proper divisors (786039258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670170042 is a wasteful number, since it uses less digits than its factorization.

670170042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107038 (or 107035 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 670170042 is about 25887.6426505003. The cubic root of 670170042 is about 875.1080321578.

The spelling of 670170042 in words is "six hundred seventy million, one hundred seventy thousand, forty-two".