42748776 has 128 divisors (see below), whose sum is σ = 138720000. Its totient is φ = 12192768.

The previous prime is 42748757. The next prime is 42748807. The reversal of 42748776 is 67784724.

It is a nude number because it is divisible by every one of its digits.

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 31 ways as a sum of consecutive naturals, for example, 73800 + ... + 74376.

It is an arithmetic number, because the mean of its divisors is an integer number (1083750).

Almost surely, 2^42748776 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 42748776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69360000).

42748776 is an abundant number, since it is smaller than the sum of its proper divisors (95971224).

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

42748776 is a wasteful number, since it uses less digits than its factorization.

42748776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 589 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 42748776 is about 6538.2548130216. The cubic root of 42748776 is about 349.6561957257.

The spelling of 42748776 in words is "forty-two million, seven hundred forty-eight thousand, seven hundred seventy-six".