73093561 has 4 divisors (see below), whose sum is σ = 73286800. Its totient is φ = 72900324.

The previous prime is 73093549. The next prime is 73093597. The reversal of 73093561 is 16539037.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16539037 = 37 ⋅447001.

It is a cyclic number.

It is not a de Polignac number, because 73093561 - 2²³ = 64704953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73090561) 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, 96051 + ... + 96808.

It is an arithmetic number, because the mean of its divisors is an integer number (18321700).

Almost surely, 2^73093561 is an apocalyptic number.

It is an amenable number.

73093561 is a deficient number, since it is larger than the sum of its proper divisors (193239).

73093561 is a wasteful number, since it uses less digits than its factorization.

73093561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193238.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 73093561 is about 8549.4772354805. The cubic root of 73093561 is about 418.1123927983.

The spelling of 73093561 in words is "seventy-three million, ninety-three thousand, five hundred sixty-one".