73421571 has 8 divisors (see below), whose sum is σ = 97937680. Its totient is φ = 48926592.

The previous prime is 73421549. The next prime is 73421587. The reversal of 73421571 is 17512437.

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

It is not a de Polignac number, because 73421571 - 2⁵ = 73421539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73421501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6735 + ... + 13863.

It is an arithmetic number, because the mean of its divisors is an integer number (12242210).

Almost surely, 2^73421571 is an apocalyptic number.

73421571 is a deficient number, since it is larger than the sum of its proper divisors (24516109).

73421571 is a wasteful number, since it uses less digits than its factorization.

73421571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10565.

The product of its digits is 5880, while the sum is 30.

The square root of 73421571 is about 8568.6388067184. The cubic root of 73421571 is about 418.7368910725.

The spelling of 73421571 in words is "seventy-three million, four hundred twenty-one thousand, five hundred seventy-one".