42475776 has 72 divisors (see below), whose sum is σ = 129213504. Its totient is φ = 12134400.

The previous prime is 42475751. The next prime is 42475793. The reversal of 42475776 is 67757424.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426 + ... + 9326.

It is an arithmetic number, because the mean of its divisors is an integer number (1794632).

Almost surely, 2^42475776 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 42475776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64606752).

42475776 is an abundant number, since it is smaller than the sum of its proper divisors (86737728).

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

42475776 is an equidigital number, since it uses as much as digits as its factorization.

42475776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927 (or 7913 counting only the distinct ones).

The product of its digits is 329280, while the sum is 42.

The square root of 42475776 is about 6517.3442443989. The cubic root of 42475776 is about 348.9102869271.

The spelling of 42475776 in words is "forty-two million, four hundred seventy-five thousand, seven hundred seventy-six".