42720200 has 96 divisors (see below), whose sum is σ = 106868160. Its totient is φ = 15840000.

The previous prime is 42720193. The next prime is 42720217. The reversal of 42720200 is 202724.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170075 + ... + 170325.

It is an arithmetic number, because the mean of its divisors is an integer number (1113210).

Almost surely, 2^42720200 is an apocalyptic number.

42720200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42720200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53434080).

42720200 is an abundant number, since it is smaller than the sum of its proper divisors (64147960).

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

42720200 is a wasteful number, since it uses less digits than its factorization.

42720200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 42720200 is about 6536.0691550809. The cubic root of 42720200 is about 349.5782675478.

Adding to 42720200 its reverse (202724), we get a palindrome (42922924).

The spelling of 42720200 in words is "forty-two million, seven hundred twenty thousand, two hundred".