73864818 has 32 divisors (see below), whose sum is σ = 172785600. Its totient is φ = 23325408.

The previous prime is 73864789. The next prime is 73864829. The reversal of 73864818 is 81846837.

It is a super-2 number, since 2×73864818² = 10912022676346248, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34971 + ... + 37022.

It is an arithmetic number, because the mean of its divisors is an integer number (5399550).

Almost surely, 2^73864818 is an apocalyptic number.

73864818 is an abundant number, since it is smaller than the sum of its proper divisors (98920782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73864818 is a wasteful number, since it uses less digits than its factorization.

73864818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72023 (or 72017 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 73864818 is about 8594.4643812166. The cubic root of 73864818 is about 419.5778411194.

It can be divided in two parts, 738 and 64818, that added together give a palindrome (65556).

The spelling of 73864818 in words is "seventy-three million, eight hundred sixty-four thousand, eight hundred eighteen".