42104700 has 108 divisors (see below), whose sum is σ = 144006408. Its totient is φ = 10204800.

The previous prime is 42104683. The next prime is 42104707. The reversal of 42104700 is 740124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42104707) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7774 + ... + 12026.

Almost surely, 2^42104700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42104700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72003204).

42104700 is an abundant number, since it is smaller than the sum of its proper divisors (101901708).

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

42104700 is a wasteful number, since it uses less digits than its factorization.

42104700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284 (or 4274 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 42104700 is about 6488.8134508552. The cubic root of 42104700 is about 347.8912660688.

Adding to 42104700 its reverse (740124), we get a palindrome (42844824).

The spelling of 42104700 in words is "forty-two million, one hundred four thousand, seven hundred".