42774339 has 16 divisors (see below), whose sum is σ = 61171200. Its totient is φ = 26503776.

The previous prime is 42774337. The next prime is 42774349. The reversal of 42774339 is 93347724.

42774339 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 42774339 - 2¹ = 42774337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42774297 and 42774306.

It is not an unprimeable number, because it can be changed into a prime (42774337) 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 15 ways as a sum of consecutive naturals, for example, 4059 + ... + 10100.

It is an arithmetic number, because the mean of its divisors is an integer number (3823200).

Almost surely, 2^42774339 is an apocalyptic number.

42774339 is a deficient number, since it is larger than the sum of its proper divisors (18396861).

42774339 is a wasteful number, since it uses less digits than its factorization.

42774339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234.

The product of its digits is 127008, while the sum is 39.

The square root of 42774339 is about 6540.2094003174. The cubic root of 42774339 is about 349.7258778790.

The spelling of 42774339 in words is "forty-two million, seven hundred seventy-four thousand, three hundred thirty-nine".