73783864 has 48 divisors (see below), whose sum is σ = 173804400. Its totient is φ = 28744320.

The previous prime is 73783849. The next prime is 73783891. The reversal of 73783864 is 46838737.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1332 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (3620925).

Almost surely, 2^73783864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73783864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86902200).

73783864 is an abundant number, since it is smaller than the sum of its proper divisors (100020536).

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

73783864 is a wasteful number, since it uses less digits than its factorization.

73783864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924 (or 10909 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 73783864 is about 8589.7534306871. The cubic root of 73783864 is about 419.4245028011.

It can be divided in two parts, 73783 and 864, that added together give a palindrome (74647).

The spelling of 73783864 in words is "seventy-three million, seven hundred eighty-three thousand, eight hundred sixty-four".