42107756 has 24 divisors (see below), whose sum is σ = 77172480. Its totient is φ = 20065232.

The previous prime is 42107753. The next prime is 42107773. The reversal of 42107756 is 65770124.

It is not an unprimeable number, because it can be changed into a prime (42107753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31265 + ... + 32583.

It is an arithmetic number, because the mean of its divisors is an integer number (3215520).

Almost surely, 2^42107756 is an apocalyptic number.

42107756 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42107756 is a deficient number, since it is larger than the sum of its proper divisors (35064724).

42107756 is a wasteful number, since it uses less digits than its factorization.

42107756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 42107756 is about 6489.0489287722. The cubic root of 42107756 is about 347.8996826272.

The spelling of 42107756 in words is "forty-two million, one hundred seven thousand, seven hundred fifty-six".