207420042 has 8 divisors (see below), whose sum is σ = 414840096. Its totient is φ = 69140012.

The previous prime is 207420041. The next prime is 207420053. The reversal of 207420042 is 240024702.

It is a sphenic number, since it is the product of 3 distinct primes.

207420042 is an admirable number.

It is a super-3 number, since 3×207420042³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (207420041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17284998 + ... + 17285009.

It is an arithmetic number, because the mean of its divisors is an integer number (51855012).

Almost surely, 2^207420042 is an apocalyptic number.

207420042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

207420042 is a wasteful number, since it uses less digits than its factorization.

207420042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34570012.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 207420042 is about 14402.0846407734. The cubic root of 207420042 is about 591.9480205305.

Adding to 207420042 its reverse (240024702), we get a palindrome (447444744).

The spelling of 207420042 in words is "two hundred seven million, four hundred twenty thousand, forty-two".