42384073 has 4 divisors (see below), whose sum is σ = 42535188. Its totient is φ = 42232960.

The previous prime is 42384071. The next prime is 42384107. The reversal of 42384073 is 37048324.

It is a happy number.

42384073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37491129 + 4892944 = 6123^2 + 2212^2 .

It is a cyclic number.

It is not a de Polignac number, because 42384073 - 2¹ = 42384071 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42384071) 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 3 ways as a sum of consecutive naturals, for example, 75136 + ... + 75697.

It is an arithmetic number, because the mean of its divisors is an integer number (10633797).

Almost surely, 2^42384073 is an apocalyptic number.

It is an amenable number.

42384073 is a deficient number, since it is larger than the sum of its proper divisors (151115).

42384073 is a wasteful number, since it uses less digits than its factorization.

42384073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151114.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 42384073 is about 6510.3051387781. The cubic root of 42384073 is about 348.6590129328.

The spelling of 42384073 in words is "forty-two million, three hundred eighty-four thousand, seventy-three".