42783768 has 32 divisors (see below), whose sum is σ = 118844400. Its totient is φ = 14261184.

The previous prime is 42783743. The next prime is 42783799. The reversal of 42783768 is 86738724.

It is a happy number.

42783768 is a `hidden beast` number, since 4 + 278 + 376 + 8 = 666.

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, 98821 + ... + 99252.

Almost surely, 2^42783768 is an apocalyptic number.

It is an amenable number.

42783768 is an abundant number, since it is smaller than the sum of its proper divisors (76060632).

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

42783768 is a wasteful number, since it uses less digits than its factorization.

42783768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198088 (or 198078 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 42783768 is about 6540.9302090758. The cubic root of 42783768 is about 349.7515733708.

The spelling of 42783768 in words is "forty-two million, seven hundred eighty-three thousand, seven hundred sixty-eight".