42757880 has 32 divisors (see below), whose sum is σ = 104952240. Its totient is φ = 15548160.

The previous prime is 42757879. The next prime is 42757901. The reversal of 42757880 is 8875724.

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, 48149 + ... + 49028.

Almost surely, 2^42757880 is an apocalyptic number.

42757880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42757880 is an abundant number, since it is smaller than the sum of its proper divisors (62194360).

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

42757880 is a wasteful number, since it uses less digits than its factorization.

42757880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97199 (or 97195 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 42757880 is about 6538.9509862057. The cubic root of 42757880 is about 349.6810154933.

The spelling of 42757880 in words is "forty-two million, seven hundred fifty-seven thousand, eight hundred eighty".