73801369 has 4 divisors (see below), whose sum is σ = 78142644. Its totient is φ = 69460096.

The previous prime is 73801367. The next prime is 73801379. The reversal of 73801369 is 96310837.

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 42575625 + 31225744 = 6525^2 + 5588^2 .

It is not a de Polignac number, because 73801369 - 2¹ = 73801367 is a prime.

It is a super-3 number, since 3×73801369³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73801363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170612 + ... + 2170645.

It is an arithmetic number, because the mean of its divisors is an integer number (19535661).

Almost surely, 2^73801369 is an apocalyptic number.

It is an amenable number.

73801369 is a deficient number, since it is larger than the sum of its proper divisors (4341275).

73801369 is a wasteful number, since it uses less digits than its factorization.

73801369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341274.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 73801369 is about 8590.7723168525. The cubic root of 73801369 is about 419.4576692460.

The spelling of 73801369 in words is "seventy-three million, eight hundred one thousand, three hundred sixty-nine".