42800775 has 12 divisors (see below), whose sum is σ = 70764072. Its totient is φ = 22827040.

The previous prime is 42800767. The next prime is 42800777. The reversal of 42800775 is 57700824.

It is not a de Polignac number, because 42800775 - 2³ = 42800767 is a prime.

It is a super-3 number, since 3×42800775³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42800777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285264 + ... + 285413.

It is an arithmetic number, because the mean of its divisors is an integer number (5897006).

Almost surely, 2^42800775 is an apocalyptic number.

42800775 is a deficient number, since it is larger than the sum of its proper divisors (27963297).

42800775 is a wasteful number, since it uses less digits than its factorization.

42800775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570690 (or 570685 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 42800775 is about 6542.2301243536. The cubic root of 42800775 is about 349.7979105472.

The spelling of 42800775 in words is "forty-two million, eight hundred thousand, seven hundred seventy-five".