42774403 has 6 divisors (see below), whose sum is σ = 49758036. Its totient is φ = 36663732.

The previous prime is 42774349. The next prime is 42774419. The reversal of 42774403 is 30447724.

42774403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42774403 - 2⁹ = 42773891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42774443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 436425 + ... + 436522.

It is an arithmetic number, because the mean of its divisors is an integer number (8293006).

Almost surely, 2^42774403 is an apocalyptic number.

42774403 is a deficient number, since it is larger than the sum of its proper divisors (6983633).

42774403 is an equidigital number, since it uses as much as digits as its factorization.

42774403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872961 (or 872954 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 42774403 is about 6540.2142931253. The cubic root of 42774403 is about 349.7260523016.

The spelling of 42774403 in words is "forty-two million, seven hundred seventy-four thousand, four hundred three".