42487700 has 36 divisors (see below), whose sum is σ = 93327360. Its totient is φ = 16787040.

The previous prime is 42487691. The next prime is 42487717. The reversal of 42487700 is 778424.

It is a congruent number.

It is an unprimeable number.

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, 5741 + ... + 10859.

Almost surely, 2^42487700 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 42487700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46663680).

42487700 is an abundant number, since it is smaller than the sum of its proper divisors (50839660).

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

42487700 is a wasteful number, since it uses less digits than its factorization.

42487700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216 (or 5209 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 42487700 is about 6518.2589700011. The cubic root of 42487700 is about 348.9429331190.

The spelling of 42487700 in words is "forty-two million, four hundred eighty-seven thousand, seven hundred".