42776312 has 16 divisors (see below), whose sum is σ = 80985840. Its totient is φ = 21180096.

The previous prime is 42776309. The next prime is 42776317. The reversal of 42776312 is 21367724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42776317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25133 + ... + 26780.

It is an arithmetic number, because the mean of its divisors is an integer number (5061615).

Almost surely, 2^42776312 is an apocalyptic number.

It is an amenable number.

42776312 is a deficient number, since it is larger than the sum of its proper divisors (38209528).

42776312 is a wasteful number, since it uses less digits than its factorization.

42776312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52022 (or 52018 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 42776312 is about 6540.3602347271. The cubic root of 42776312 is about 349.7312549233.

The spelling of 42776312 in words is "forty-two million, seven hundred seventy-six thousand, three hundred twelve".