73216427 has 8 divisors (see below), whose sum is σ = 73932192. Its totient is φ = 72504000.

The previous prime is 73216421. The next prime is 73216439. The reversal of 73216427 is 72461237.

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 73216427 - 2⁴ = 73216411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73216393 and 73216402.

It is not an unprimeable number, because it can be changed into a prime (73216421) 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, 68477 + ... + 69537.

It is an arithmetic number, because the mean of its divisors is an integer number (9241524).

Almost surely, 2^73216427 is an apocalyptic number.

73216427 is a deficient number, since it is larger than the sum of its proper divisors (715765).

73216427 is a wasteful number, since it uses less digits than its factorization.

73216427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its digits is 14112, while the sum is 32.

The square root of 73216427 is about 8556.6598039188. The cubic root of 73216427 is about 418.3465358111.

The spelling of 73216427 in words is "seventy-three million, two hundred sixteen thousand, four hundred twenty-seven".