670042158 has 32 divisors (see below), whose sum is σ = 1388275200. Its totient is φ = 215337696.

The previous prime is 670042157. The next prime is 670042159. The reversal of 670042158 is 851240076.

It is an interprime number because it is at equal distance from previous prime (670042157) and next prime (670042159).

It is a super-3 number, since 3×670042158³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670042157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140863 + ... + 145541.

It is an arithmetic number, because the mean of its divisors is an integer number (43383600).

Almost surely, 2^670042158 is an apocalyptic number.

670042158 is an abundant number, since it is smaller than the sum of its proper divisors (718233042).

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

670042158 is a wasteful number, since it uses less digits than its factorization.

670042158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 670042158 is about 25885.1725510957. The cubic root of 670042158 is about 875.0523649750.

The spelling of 670042158 in words is "six hundred seventy million, forty-two thousand, one hundred fifty-eight".