42776033 has 4 divisors (see below), whose sum is σ = 43932180. Its totient is φ = 41619888.

The previous prime is 42775979. The next prime is 42776039. The reversal of 42776033 is 33067724.

42776033 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 2 ways, for example, as 41319184 + 1456849 = 6428^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 42776033 - 2²² = 38581729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42776039) 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 3 ways as a sum of consecutive naturals, for example, 578018 + ... + 578091.

It is an arithmetic number, because the mean of its divisors is an integer number (10983045).

Almost surely, 2^42776033 is an apocalyptic number.

It is an amenable number.

42776033 is a deficient number, since it is larger than the sum of its proper divisors (1156147).

42776033 is a wasteful number, since it uses less digits than its factorization.

42776033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156146.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 42776033 is about 6540.3389055920. The cubic root of 42776033 is about 349.7304945707.

The spelling of 42776033 in words is "forty-two million, seven hundred seventy-six thousand, thirty-three".