207042242 has 16 divisors (see below), whose sum is σ = 349726464. Its totient is φ = 91074000.

The previous prime is 207042239. The next prime is 207042263. The reversal of 207042242 is 242240702.

It is a happy number.

207042242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151109 + ... + 152472.

It is an arithmetic number, because the mean of its divisors is an integer number (21857904).

Almost surely, 2^207042242 is an apocalyptic number.

207042242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

207042242 is a deficient number, since it is larger than the sum of its proper divisors (142684222).

207042242 is a wasteful number, since it uses less digits than its factorization.

207042242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303625.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 207042242 is about 14388.9625060322. The cubic root of 207042242 is about 591.5884058448.

Adding to 207042242 its reverse (242240702), we get a palindrome (449282944).

The spelling of 207042242 in words is "two hundred seven million, forty-two thousand, two hundred forty-two".