42756322 has 16 divisors (see below), whose sum is σ = 74793600. Its totient is φ = 18323844.

The previous prime is 42756313. The next prime is 42756331. The reversal of 42756322 is 22365724.

It is an interprime number because it is at equal distance from previous prime (42756313) and next prime (42756331).

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 7 ways as a sum of consecutive naturals, for example, 30478 + ... + 31849.

It is an arithmetic number, because the mean of its divisors is an integer number (4674600).

Almost surely, 2^42756322 is an apocalyptic number.

42756322 is a deficient number, since it is larger than the sum of its proper divisors (32037278).

42756322 is an equidigital number, since it uses as much as digits as its factorization.

42756322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62350 (or 62336 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 42756322 is about 6538.8318528618. The cubic root of 42756322 is about 349.6767682478.

The spelling of 42756322 in words is "forty-two million, seven hundred fifty-six thousand, three hundred twenty-two".