74320193 has 4 divisors (see below), whose sum is σ = 74343360. Its totient is φ = 74297028.

The previous prime is 74320187. The next prime is 74320217. The reversal of 74320193 is 39102347.

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 74320193 - 2¹² = 74316097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74320093) 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, 5813 + ... + 13506.

It is an arithmetic number, because the mean of its divisors is an integer number (18585840).

Almost surely, 2^74320193 is an apocalyptic number.

It is an amenable number.

74320193 is a deficient number, since it is larger than the sum of its proper divisors (23167).

74320193 is a wasteful number, since it uses less digits than its factorization.

74320193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23166.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 74320193 is about 8620.9160186143. The cubic root of 74320193 is about 420.4383047164.

The spelling of 74320193 in words is "seventy-four million, three hundred twenty thousand, one hundred ninety-three".