42740768 has 24 divisors (see below), whose sum is σ = 96167232. Its totient is φ = 18317376.

The previous prime is 42740749. The next prime is 42740773. The reversal of 42740768 is 86704724.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95180 + ... + 95627.

It is an arithmetic number, because the mean of its divisors is an integer number (4006968).

Almost surely, 2^42740768 is an apocalyptic number.

It is an amenable number.

42740768 is an abundant number, since it is smaller than the sum of its proper divisors (53426464).

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

42740768 is a wasteful number, since it uses less digits than its factorization.

42740768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190824 (or 190816 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 42740768 is about 6537.6423885067. The cubic root of 42740768 is about 349.6343610134.

The spelling of 42740768 in words is "forty-two million, seven hundred forty thousand, seven hundred sixty-eight".