42100744 has 16 divisors (see below), whose sum is σ = 90216000. Its totient is φ = 18043152.

The previous prime is 42100733. The next prime is 42100753. The reversal of 42100744 is 44700124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375844 + ... + 375955.

It is an arithmetic number, because the mean of its divisors is an integer number (5638500).

Almost surely, 2^42100744 is an apocalyptic number.

It is an amenable number.

42100744 is an abundant number, since it is smaller than the sum of its proper divisors (48115256).

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

42100744 is a wasteful number, since it uses less digits than its factorization.

42100744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751812 (or 751808 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 42100744 is about 6488.5086113837. The cubic root of 42100744 is about 347.8803702072.

Adding to 42100744 its reverse (44700124), we get a palindrome (86800868).

The spelling of 42100744 in words is "forty-two million, one hundred thousand, seven hundred forty-four".