42320759 has 16 divisors (see below), whose sum is σ = 48384000.
Its totient is φ = 36718176.
The previous prime is 42320753. The next prime is 42320767. The reversal of 42320759 is 95702324.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 42320759 - 28 = 42320503 is a prime.
It is a Duffinian number.
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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16442 + ... + 18840.
It is an arithmetic number, because the mean of its divisors is an integer number (3024000).
Almost surely, 242320759 is an apocalyptic number.
42320759 is a deficient number, since it is larger than the sum of its proper divisors (6063241).
42320759 is a wasteful number, since it uses less digits than its factorization.
42320759 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2494.
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 42320759 is about 6505.4407229641.
The cubic root of 42320759 is about 348.4853156270.
The spelling of 42320759 in words is "forty-two million, three hundred twenty thousand, seven hundred fifty-nine".