42473855 has 8 divisors (see below), whose sum is σ = 51025200. Its totient is φ = 33941376.

The previous prime is 42473843. The next prime is 42473857. The reversal of 42473855 is 55837424.

It is a happy number.

42473855 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 a de Polignac number, because none of the positive numbers 2^k-42473855 is a prime.

It is a super-2 number, since 2×42473855² = 3608056717122050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42473857) 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, 836 + ... + 9254.

It is an arithmetic number, because the mean of its divisors is an integer number (6378150).

Almost surely, 2^42473855 is an apocalyptic number.

42473855 is a deficient number, since it is larger than the sum of its proper divisors (8551345).

42473855 is a wasteful number, since it uses less digits than its factorization.

42473855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433.

The product of its digits is 134400, while the sum is 38.

The square root of 42473855 is about 6517.1968667518. The cubic root of 42473855 is about 348.9050269348.

The spelling of 42473855 in words is "forty-two million, four hundred seventy-three thousand, eight hundred fifty-five".