73378193 has 4 divisors (see below), whose sum is σ = 83860800. Its totient is φ = 62895588.

The previous prime is 73378177. The next prime is 73378223. The reversal of 73378193 is 39187337.

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 not a de Polignac number, because 73378193 - 2⁴ = 73378177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73378193.

It is not an unprimeable number, because it can be changed into a prime (73378153) 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, 5241293 + ... + 5241306.

It is an arithmetic number, because the mean of its divisors is an integer number (20965200).

Almost surely, 2^73378193 is an apocalyptic number.

It is an amenable number.

73378193 is a deficient number, since it is larger than the sum of its proper divisors (10482607).

73378193 is a wasteful number, since it uses less digits than its factorization.

73378193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10482606.

The product of its digits is 95256, while the sum is 41.

The square root of 73378193 is about 8566.1072255722. The cubic root of 73378193 is about 418.6544105566.

The spelling of 73378193 in words is "seventy-three million, three hundred seventy-eight thousand, one hundred ninety-three".