73160421 has 4 divisors (see below), whose sum is σ = 97547232. Its totient is φ = 48773612.

The previous prime is 73160419. The next prime is 73160429. The reversal of 73160421 is 12406137.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73160421 - 2¹ = 73160419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73160391 and 73160400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73160429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12193401 + ... + 12193406.

It is an arithmetic number, because the mean of its divisors is an integer number (24386808).

Almost surely, 2^73160421 is an apocalyptic number.

It is an amenable number.

73160421 is a deficient number, since it is larger than the sum of its proper divisors (24386811).

73160421 is a wasteful number, since it uses less digits than its factorization.

73160421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24386810.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 73160421 is about 8553.3865223080. The cubic root of 73160421 is about 418.2398389321.

Adding to 73160421 its reverse (12406137), we get a palindrome (85566558).

The spelling of 73160421 in words is "seventy-three million, one hundred sixty thousand, four hundred twenty-one".