73378093 has 4 divisors (see below), whose sum is σ = 73670688. Its totient is φ = 73085500.

The previous prime is 73378087. The next prime is 73378121. The reversal of 73378093 is 39087337.

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: 39087337 = 353 ⋅110729.

It is a cyclic number.

It is not a de Polignac number, because 73378093 - 2⁵ = 73378061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73178093) 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, 145921 + ... + 146422.

It is an arithmetic number, because the mean of its divisors is an integer number (18417672).

Almost surely, 2^73378093 is an apocalyptic number.

It is an amenable number.

73378093 is a deficient number, since it is larger than the sum of its proper divisors (292595).

73378093 is a wasteful number, since it uses less digits than its factorization.

73378093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292594.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 73378093 is about 8566.1013886131. The cubic root of 73378093 is about 418.6542203754.

The spelling of 73378093 in words is "seventy-three million, three hundred seventy-eight thousand, ninety-three".