42604723 has 16 divisors (see below), whose sum is σ = 50274304.
Its totient is φ = 35341920.
The previous prime is 42604693. The next prime is 42604747. The reversal of 42604723 is 32740624.
It is a cyclic number.
It is not a de Polignac number, because 42604723 - 25 = 42604691 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42604691 and 42604700.
It is not an unprimeable number, because it can be changed into a prime (42604753) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 69886 + ... + 70492.
It is an arithmetic number, because the mean of its divisors is an integer number (3142144).
Almost surely, 242604723 is an apocalyptic number.
42604723 is a deficient number, since it is larger than the sum of its proper divisors (7669581).
42604723 is a wasteful number, since it uses less digits than its factorization.
42604723 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 922.
The product of its (nonzero) digits is 8064, while the sum is 28.
The square root of 42604723 is about 6527.2293509574.
The cubic root of 42604723 is about 349.2630015654.
The spelling of 42604723 in words is "forty-two million, six hundred four thousand, seven hundred twenty-three".