42473408 has 28 divisors (see below), whose sum is σ = 84490560. Its totient is φ = 21184512.

The previous prime is 42473401. The next prime is 42473419. The reversal of 42473408 is 80437424.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42473401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48785 + ... + 49647.

It is an arithmetic number, because the mean of its divisors is an integer number (3017520).

Almost surely, 2^42473408 is an apocalyptic number.

It is an amenable number.

42473408 is a deficient number, since it is larger than the sum of its proper divisors (42017152).

42473408 is an equidigital number, since it uses as much as digits as its factorization.

42473408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 42473408 is about 6517.1625727766. The cubic root of 42473408 is about 348.9038029575.

The spelling of 42473408 in words is "forty-two million, four hundred seventy-three thousand, four hundred eight".