42730500672 has 56 divisors (see below), whose sum is σ = 125619764000. Its totient is φ = 14243499648.

The previous prime is 42730500643. The next prime is 42730500677. The reversal of 42730500672 is 27600503724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12362422 + ... + 12365877.

Almost surely, 2^42730500672 is an apocalyptic number.

It is an amenable number.

42730500672 is an abundant number, since it is smaller than the sum of its proper divisors (82889263328).

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

42730500672 is a wasteful number, since it uses less digits than its factorization.

42730500672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24728320 (or 24728304 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 42730500672 in words is "forty-two billion, seven hundred thirty million, five hundred thousand, six hundred seventy-two".