207739112742 has 48 divisors (see below), whose sum is σ = 514742522112. Its totient is φ = 59314696560.

The previous prime is 207739112677. The next prime is 207739112743. The reversal of 207739112742 is 247211937702.

207739112742 is a `hidden beast` number, since 207 + 7 + 391 + 12 + 7 + 42 = 666.

207739112742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207739112743) 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 23 ways as a sum of consecutive naturals, for example, 355188 + ... + 735959.

It is an arithmetic number, because the mean of its divisors is an integer number (10723802544).

Almost surely, 2^207739112742 is an apocalyptic number.

207739112742 is an abundant number, since it is smaller than the sum of its proper divisors (307003409370).

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

207739112742 is a wasteful number, since it uses less digits than its factorization.

207739112742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092673 (or 1092670 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 207739112742 in words is "two hundred seven billion, seven hundred thirty-nine million, one hundred twelve thousand, seven hundred forty-two".