42305756 has 6 divisors (see below), whose sum is σ = 74035080. Its totient is φ = 21152876.

The previous prime is 42305749. The next prime is 42305803. The reversal of 42305756 is 65750324.

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 as a sum of consecutive naturals, namely, 5288216 + ... + 5288223.

It is an arithmetic number, because the mean of its divisors is an integer number (12339180).

Almost surely, 2^42305756 is an apocalyptic number.

It is an amenable number.

42305756 is a deficient number, since it is larger than the sum of its proper divisors (31729324).

42305756 is a wasteful number, since it uses less digits than its factorization.

42305756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10576443 (or 10576441 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 42305756 is about 6504.2875090205. The cubic root of 42305756 is about 348.4441306131. Note that the first 3 decimals are identical.

The spelling of 42305756 in words is "forty-two million, three hundred five thousand, seven hundred fifty-six".