42473419 has 2 divisors, whose sum is σ = 42473420. Its totient is φ = 42473418.

The previous prime is 42473401. The next prime is 42473443. The reversal of 42473419 is 91437424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42473419 is a prime.

It is a super-2 number, since 2×42473419² = 3607982643099122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42473449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21236709 + 21236710.

It is an arithmetic number, because the mean of its divisors is an integer number (21236710).

Almost surely, 2^42473419 is an apocalyptic number.

42473419 is a deficient number, since it is larger than the sum of its proper divisors (1).

42473419 is an equidigital number, since it uses as much as digits as its factorization.

42473419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 42473419 is about 6517.1634167021. The cubic root of 42473419 is about 348.9038330779.

The spelling of 42473419 in words is "forty-two million, four hundred seventy-three thousand, four hundred nineteen".