42473787 has 8 divisors (see below), whose sum is σ = 56813904. Its totient is φ = 28224768.

The previous prime is 42473773. The next prime is 42473789. The reversal of 42473787 is 78737424.

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

It is not a de Polignac number, because 42473787 - 2⁴ = 42473771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42473789) 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 7 ways as a sum of consecutive naturals, for example, 21678 + ... + 23555.

It is an arithmetic number, because the mean of its divisors is an integer number (7101738).

Almost surely, 2^42473787 is an apocalyptic number.

42473787 is a deficient number, since it is larger than the sum of its proper divisors (14340117).

42473787 is a wasteful number, since it uses less digits than its factorization.

42473787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45549.

The product of its digits is 263424, while the sum is 42.

The square root of 42473787 is about 6517.1916497829. The cubic root of 42473787 is about 348.9048407374.

The spelling of 42473787 in words is "forty-two million, four hundred seventy-three thousand, seven hundred eighty-seven".