73378301 has 4 divisors (see below), whose sum is σ = 73464192. Its totient is φ = 73292412.

The previous prime is 73378267. The next prime is 73378313. The reversal of 73378301 is 10387337.

It is a happy number.

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: 10387337 = 1697 ⋅6121.

It is a cyclic number.

It is not a de Polignac number, because 73378301 - 2¹⁸ = 73116157 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 (73378351) 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, 41651 + ... + 43376.

It is an arithmetic number, because the mean of its divisors is an integer number (18366048).

Almost surely, 2^73378301 is an apocalyptic number.

It is an amenable number.

73378301 is a deficient number, since it is larger than the sum of its proper divisors (85891).

73378301 is an equidigital number, since it uses as much as digits as its factorization.

73378301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85890.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 73378301 is about 8566.1135294835. The cubic root of 73378301 is about 418.6546159521.

The spelling of 73378301 in words is "seventy-three million, three hundred seventy-eight thousand, three hundred one".