42730500670 has 32 divisors (see below), whose sum is σ = 90361565280. Its totient is φ = 14343104640.

The previous prime is 42730500643. The next prime is 42730500677. The reversal of 42730500670 is 7600503724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42730500677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14939305 + ... + 14942164.

It is an arithmetic number, because the mean of its divisors is an integer number (2823798915).

Almost surely, 2^42730500670 is an apocalyptic number.

42730500670 is an abundant number, since it is smaller than the sum of its proper divisors (47631064610).

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

42730500670 is a wasteful number, since it uses less digits than its factorization.

42730500670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29881500.

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 42730500670 in words is "forty-two billion, seven hundred thirty million, five hundred thousand, six hundred seventy".