73421471 has 2 divisors, whose sum is σ = 73421472. Its totient is φ = 73421470.

The previous prime is 73421461. The next prime is 73421477. The reversal of 73421471 is 17412437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73421471 - 2¹⁰ = 73420447 is a prime.

It is a super-3 number, since 3×73421471³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73421477) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36710735 + 36710736.

It is an arithmetic number, because the mean of its divisors is an integer number (36710736).

Almost surely, 2^73421471 is an apocalyptic number.

73421471 is a deficient number, since it is larger than the sum of its proper divisors (1).

73421471 is an equidigital number, since it uses as much as digits as its factorization.

73421471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 73421471 is about 8568.6329714838. The cubic root of 73421471 is about 418.7367009662.

The spelling of 73421471 in words is "seventy-three million, four hundred twenty-one thousand, four hundred seventy-one".