42776912 has 10 divisors (see below), whose sum is σ = 82880298. Its totient is φ = 21388448.

The previous prime is 42776897. The next prime is 42776917. The reversal of 42776912 is 21967724.

It can be written as a sum of positive squares in only one way, i.e., 26584336 + 16192576 = 5156^2 + 4024^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42776917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336763 + ... + 1336794.

Almost surely, 2^42776912 is an apocalyptic number.

It is an amenable number.

42776912 is a deficient number, since it is larger than the sum of its proper divisors (40103386).

42776912 is a wasteful number, since it uses less digits than its factorization.

42776912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673565 (or 2673559 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 42776912 is about 6540.4061035994. The cubic root of 42776912 is about 349.7328900788.

The spelling of 42776912 in words is "forty-two million, seven hundred seventy-six thousand, nine hundred twelve".