73892993 has 4 divisors (see below), whose sum is σ = 73913280. Its totient is φ = 73872708.

The previous prime is 73892981. The next prime is 73893013. The reversal of 73892993 is 39929837.

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: 39929837 = 47 ⋅849571.

It is a cyclic number.

It is not a de Polignac number, because 73892993 - 2²⁰ = 72844417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73892393) 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, 3005 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (18478320).

Almost surely, 2^73892993 is an apocalyptic number.

It is an amenable number.

73892993 is a deficient number, since it is larger than the sum of its proper divisors (20287).

73892993 is a wasteful number, since it uses less digits than its factorization.

73892993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20286.

The product of its digits is 734832, while the sum is 50.

The square root of 73892993 is about 8596.1033614074. The cubic root of 73892993 is about 419.6311822690.

The spelling of 73892993 in words is "seventy-three million, eight hundred ninety-two thousand, nine hundred ninety-three".