42274784 has 24 divisors (see below), whose sum is σ = 88125408. Its totient is φ = 19893760.

The previous prime is 42274777. The next prime is 42274807. The reversal of 42274784 is 48747224.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 38312 + ... + 39399.

It is an arithmetic number, because the mean of its divisors is an integer number (3671892).

Almost surely, 2^42274784 is an apocalyptic number.

It is an amenable number.

42274784 is an abundant number, since it is smaller than the sum of its proper divisors (45850624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42274784 is a wasteful number, since it uses less digits than its factorization.

42274784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77738 (or 77730 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The square root of 42274784 is about 6501.9061820362. The cubic root of 42274784 is about 348.3590779921.

The spelling of 42274784 in words is "forty-two million, two hundred seventy-four thousand, seven hundred eighty-four".