73378201 has 4 divisors (see below), whose sum is σ = 79022692. Its totient is φ = 67733712.

The previous prime is 73378177. The next prime is 73378223. The reversal of 73378201 is 10287337.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18913801 + 54464400 = 4349^2 + 7380^2 .

It is a cyclic number.

It is not a de Polignac number, because 73378201 - 2¹¹ = 73376153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73378231) 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, 2822226 + ... + 2822251.

It is an arithmetic number, because the mean of its divisors is an integer number (19755673).

Almost surely, 2^73378201 is an apocalyptic number.

It is an amenable number.

73378201 is a deficient number, since it is larger than the sum of its proper divisors (5644491).

73378201 is a wasteful number, since it uses less digits than its factorization.

73378201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644490.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 73378201 is about 8566.1076925287. The cubic root of 73378201 is about 418.6544257711.

The spelling of 73378201 in words is "seventy-three million, three hundred seventy-eight thousand, two hundred one".