42213473 has 8 divisors (see below), whose sum is σ = 44599680. Its totient is φ = 39889360.

The previous prime is 42213469. The next prime is 42213481. The reversal of 42213473 is 37431224.

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

It is a cyclic number.

It is not a de Polignac number, because 42213473 - 2² = 42213469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42213463) 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, 14123 + ... + 16848.

It is an arithmetic number, because the mean of its divisors is an integer number (5574960).

Almost surely, 2^42213473 is an apocalyptic number.

It is an amenable number.

42213473 is a deficient number, since it is larger than the sum of its proper divisors (2386207).

42213473 is a wasteful number, since it uses less digits than its factorization.

42213473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31047.

The product of its digits is 4032, while the sum is 26.

The square root of 42213473 is about 6497.1896232140. The cubic root of 42213473 is about 348.1905884498.

Adding to 42213473 its reverse (37431224), we get a palindrome (79644697).

The spelling of 42213473 in words is "forty-two million, two hundred thirteen thousand, four hundred seventy-three".