42875380 has 24 divisors (see below), whose sum is σ = 90308232. Its totient is φ = 17098752.

The previous prime is 42875363. The next prime is 42875407. The reversal of 42875380 is 8357824.

It can be written as a sum of positive squares in 4 ways, for example, as 10316944 + 32558436 = 3212^2 + 5706^2 .

It is a congruent number.

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, 4024 + ... + 10096.

It is an arithmetic number, because the mean of its divisors is an integer number (3762843).

Almost surely, 2^42875380 is an apocalyptic number.

It is an amenable number.

42875380 is an abundant number, since it is smaller than the sum of its proper divisors (47432852).

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

42875380 is a wasteful number, since it uses less digits than its factorization.

42875380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435 (or 6433 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 42875380 is about 6547.9294437249. The cubic root of 42875380 is about 350.0010340106.

The spelling of 42875380 in words is "forty-two million, eight hundred seventy-five thousand, three hundred eighty".