42975688 has 16 divisors (see below), whose sum is σ = 92090880. Its totient is φ = 18418128.

The previous prime is 42975671. The next prime is 42975689. The reversal of 42975688 is 88657924.

It is not an unprimeable number, because it can be changed into a prime (42975689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383656 + ... + 383767.

It is an arithmetic number, because the mean of its divisors is an integer number (5755680).

Almost surely, 2^42975688 is an apocalyptic number.

It is an amenable number.

42975688 is an abundant number, since it is smaller than the sum of its proper divisors (49115192).

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

42975688 is a wasteful number, since it uses less digits than its factorization.

42975688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767436 (or 767432 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 42975688 is about 6555.5844895783. The cubic root of 42975688 is about 350.2737667587.

The spelling of 42975688 in words is "forty-two million, nine hundred seventy-five thousand, six hundred eighty-eight".