42742200 has 48 divisors (see below), whose sum is σ = 132502680. Its totient is φ = 11397760.

The previous prime is 42742169. The next prime is 42742207. The reversal of 42742200 is 224724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42742207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35019 + ... + 36218.

Almost surely, 2^42742200 is an apocalyptic number.

42742200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42742200 is an abundant number, since it is smaller than the sum of its proper divisors (89760480).

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

42742200 is a wasteful number, since it uses less digits than its factorization.

42742200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71256 (or 71247 counting only the distinct ones).

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

The square root of 42742200 is about 6537.7519071926. The cubic root of 42742200 is about 349.6382657226.

Adding to 42742200 its reverse (224724), we get a palindrome (42966924).

The spelling of 42742200 in words is "forty-two million, seven hundred forty-two thousand, two hundred".