42751776 has 48 divisors (see below), whose sum is σ = 112783104. Its totient is φ = 14179584.

The previous prime is 42751769. The next prime is 42751783. The reversal of 42751776 is 67715724.

It is an interprime number because it is at equal distance from previous prime (42751769) and next prime (42751783).

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20410 + ... + 22406.

It is an arithmetic number, because the mean of its divisors is an integer number (2349648).

Almost surely, 2^42751776 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 42751776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56391552).

42751776 is an abundant number, since it is smaller than the sum of its proper divisors (70031328).

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

42751776 is a wasteful number, since it uses less digits than its factorization.

42751776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2225 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 42751776 is about 6538.4842280149. The cubic root of 42751776 is about 349.6643748608.

The spelling of 42751776 in words is "forty-two million, seven hundred fifty-one thousand, seven hundred seventy-six".