42542700 has 72 divisors (see below), whose sum is σ = 124314960. Its totient is φ = 11232000.

The previous prime is 42542699. The next prime is 42542701. The reversal of 42542700 is 724524.

It is an interprime number because it is at equal distance from previous prime (42542699) and next prime (42542701).

It is not an unprimeable number, because it can be changed into a prime (42542701) 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 23 ways as a sum of consecutive naturals, for example, 32050 + ... + 33350.

Almost surely, 2^42542700 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 42542700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62157480).

42542700 is an abundant number, since it is smaller than the sum of its proper divisors (81772260).

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

42542700 is a wasteful number, since it uses less digits than its factorization.

42542700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 42542700 is about 6522.4765235300. The cubic root of 42542700 is about 349.0934361747.

The spelling of 42542700 in words is "forty-two million, five hundred forty-two thousand, seven hundred".