42776234 has 4 divisors (see below), whose sum is σ = 64164354. Its totient is φ = 21388116.

The previous prime is 42776231. The next prime is 42776257. The reversal of 42776234 is 43267724.

42776234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30195025 + 12581209 = 5495^2 + 3547^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42776194 and 42776203.

It is not an unprimeable number, because it can be changed into a prime (42776231) 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 as a sum of consecutive naturals, namely, 10694057 + ... + 10694060.

Almost surely, 2^42776234 is an apocalyptic number.

42776234 is a deficient number, since it is larger than the sum of its proper divisors (21388120).

42776234 is a wasteful number, since it uses less digits than its factorization.

42776234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21388119.

The product of its digits is 56448, while the sum is 35.

The square root of 42776234 is about 6540.3542717501. The cubic root of 42776234 is about 349.7310423519.

The spelling of 42776234 in words is "forty-two million, seven hundred seventy-six thousand, two hundred thirty-four".