73887331 has 8 divisors (see below), whose sum is σ = 87354720. Its totient is φ = 61147968.

The previous prime is 73887323. The next prime is 73887343. The reversal of 73887331 is 13378837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73887331 - 2³ = 73887323 is a prime.

It is a super-2 number, since 2×73887331² = 10918675364607122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73887301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181786 + ... + 182191.

It is an arithmetic number, because the mean of its divisors is an integer number (10919340).

Almost surely, 2^73887331 is an apocalyptic number.

73887331 is a deficient number, since it is larger than the sum of its proper divisors (13467389).

73887331 is a wasteful number, since it uses less digits than its factorization.

73887331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364013.

The product of its digits is 84672, while the sum is 40.

The square root of 73887331 is about 8595.7740198309. The cubic root of 73887331 is about 419.6204640112.

The spelling of 73887331 in words is "seventy-three million, eight hundred eighty-seven thousand, three hundred thirty-one".