42775038 has 12 divisors (see below), whose sum is σ = 92679288. Its totient is φ = 14258340.

The previous prime is 42775021. The next prime is 42775063. The reversal of 42775038 is 83057724.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42774993 and 42775011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1188178 + ... + 1188213.

It is an arithmetic number, because the mean of its divisors is an integer number (7723274).

Almost surely, 2^42775038 is an apocalyptic number.

42775038 is an abundant number, since it is smaller than the sum of its proper divisors (49904250).

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

42775038 is a wasteful number, since it uses less digits than its factorization.

42775038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376399 (or 2376396 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 42775038 is about 6540.2628387550. The cubic root of 42775038 is about 349.7277828923.

The spelling of 42775038 in words is "forty-two million, seven hundred seventy-five thousand, thirty-eight".