42812768 has 12 divisors (see below), whose sum is σ = 84287700. Its totient is φ = 21406368.

The previous prime is 42812747. The next prime is 42812779. The reversal of 42812768 is 86721824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668918 + ... + 668981.

It is an arithmetic number, because the mean of its divisors is an integer number (7023975).

Almost surely, 2^42812768 is an apocalyptic number.

It is an amenable number.

42812768 is a deficient number, since it is larger than the sum of its proper divisors (41474932).

42812768 is a wasteful number, since it uses less digits than its factorization.

42812768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337909 (or 1337901 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 42812768 is about 6543.1466436264. The cubic root of 42812768 is about 349.8305792280.

The spelling of 42812768 in words is "forty-two million, eight hundred twelve thousand, seven hundred sixty-eight".