73396387 has 4 divisors (see below), whose sum is σ = 73413616. Its totient is φ = 73379160.

The previous prime is 73396369. The next prime is 73396391. The reversal of 73396387 is 78369337.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 73396387 - 2¹¹ = 73394339 is a prime.

It is a super-3 number, since 3×73396387³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73396987) 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, 2962 + ... + 12472.

It is an arithmetic number, because the mean of its divisors is an integer number (18353404).

Almost surely, 2^73396387 is an apocalyptic number.

73396387 is a deficient number, since it is larger than the sum of its proper divisors (17229).

73396387 is an equidigital number, since it uses as much as digits as its factorization.

73396387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17228.

The product of its digits is 571536, while the sum is 46.

The square root of 73396387 is about 8567.1691357181. The cubic root of 73396387 is about 418.6890092504.

The spelling of 73396387 in words is "seventy-three million, three hundred ninety-six thousand, three hundred eighty-seven".