42320757 has 8 divisors (see below), whose sum is σ = 57222720. Its totient is φ = 27816320.

The previous prime is 42320753. The next prime is 42320767. The reversal of 42320757 is 75702324.

42320757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42320757 - 2² = 42320753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42320753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99132 + ... + 99557.

It is an arithmetic number, because the mean of its divisors is an integer number (7152840).

Almost surely, 2^42320757 is an apocalyptic number.

It is an amenable number.

42320757 is a deficient number, since it is larger than the sum of its proper divisors (14901963).

42320757 is a wasteful number, since it uses less digits than its factorization.

42320757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198763.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 42320757 is about 6505.4405692466. The cubic root of 42320757 is about 348.4853101374.

The spelling of 42320757 in words is "forty-two million, three hundred twenty thousand, seven hundred fifty-seven".