42795783 has 20 divisors (see below), whose sum is σ = 67692240. Its totient is φ = 26851392.

The previous prime is 42795773. The next prime is 42795811. The reversal of 42795783 is 38759724.

42795783 is a `hidden beast` number, since 4 + 2 + 79 + 578 + 3 = 666.

It is not a de Polignac number, because 42795783 - 2⁶ = 42795719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42795763) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14163 + ... + 16916.

It is an arithmetic number, because the mean of its divisors is an integer number (3384612).

Almost surely, 2^42795783 is an apocalyptic number.

42795783 is a deficient number, since it is larger than the sum of its proper divisors (24896457).

42795783 is a wasteful number, since it uses less digits than its factorization.

42795783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31108 (or 31099 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 42795783 is about 6541.8485919501. The cubic root of 42795783 is about 349.7843106450.

The spelling of 42795783 in words is "forty-two million, seven hundred ninety-five thousand, seven hundred eighty-three".