42750036 has 108 divisors (see below), whose sum is σ = 131415648. Its totient is φ = 11476224.

The previous prime is 42750017. The next prime is 42750049. The reversal of 42750036 is 63005724.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42749991 and 42750009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72535 + ... + 73121.

Almost surely, 2^42750036 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 42750036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65707824).

42750036 is an abundant number, since it is smaller than the sum of its proper divisors (88665612).

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

42750036 is a wasteful number, since it uses less digits than its factorization.

42750036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 42750036 is about 6538.3511682992. The cubic root of 42750036 is about 349.6596310091.

The spelling of 42750036 in words is "forty-two million, seven hundred fifty thousand, thirty-six".