42473835 has 64 divisors (see below), whose sum is σ = 82368000. Its totient is φ = 20684160.

The previous prime is 42473831. The next prime is 42473843. The reversal of 42473835 is 53837424.

It is a happy number.

It is not a de Polignac number, because 42473835 - 2² = 42473831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42473835.

It is not an unprimeable number, because it can be changed into a prime (42473831) 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 63 ways as a sum of consecutive naturals, for example, 74100 + ... + 74670.

It is an arithmetic number, because the mean of its divisors is an integer number (1287000).

Almost surely, 2^42473835 is an apocalyptic number.

42473835 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42473835 is a deficient number, since it is larger than the sum of its proper divisors (39894165).

42473835 is a wasteful number, since it uses less digits than its factorization.

42473835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 627 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 42473835 is about 6517.1953323496. The cubic root of 42473835 is about 348.9049721709.

The spelling of 42473835 in words is "forty-two million, four hundred seventy-three thousand, eight hundred thirty-five".