42473481 has 8 divisors (see below), whose sum is σ = 57348480. Its totient is φ = 27957072.

The previous prime is 42473471. The next prime is 42473491. The reversal of 42473481 is 18437424.

It is an interprime number because it is at equal distance from previous prime (42473471) and next prime (42473491).

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

It is not a de Polignac number, because 42473481 - 2⁵ = 42473449 is a prime.

It is a super-2 number, since 2×42473481² = 3607993176514722, which contains 22 as substring.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89370 + ... + 89843.

It is an arithmetic number, because the mean of its divisors is an integer number (7168560).

Almost surely, 2^42473481 is an apocalyptic number.

It is an amenable number.

42473481 is a deficient number, since it is larger than the sum of its proper divisors (14874999).

42473481 is a wasteful number, since it uses less digits than its factorization.

42473481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179295.

The product of its digits is 21504, while the sum is 33.

The square root of 42473481 is about 6517.1681733710. The cubic root of 42473481 is about 348.9040028470.

The spelling of 42473481 in words is "forty-two million, four hundred seventy-three thousand, four hundred eighty-one".