73885331 has 4 divisors (see below), whose sum is σ = 79568832. Its totient is φ = 68201832.

The previous prime is 73885327. The next prime is 73885351. The reversal of 73885331 is 13358837.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 73885331 - 2² = 73885327 is a prime.

It is a super-2 number, since 2×73885331² = 10918084273959122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73885351) 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, 2841731 + ... + 2841756.

It is an arithmetic number, because the mean of its divisors is an integer number (19892208).

Almost surely, 2^73885331 is an apocalyptic number.

73885331 is a deficient number, since it is larger than the sum of its proper divisors (5683501).

73885331 is a wasteful number, since it uses less digits than its factorization.

73885331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683500.

The product of its digits is 60480, while the sum is 38.

The square root of 73885331 is about 8595.6576828071. The cubic root of 73885331 is about 419.6166778479.

The spelling of 73885331 in words is "seventy-three million, eight hundred eighty-five thousand, three hundred thirty-one".