73043880 has 128 divisors (see below), whose sum is σ = 269740800. Its totient is φ = 15409152.

The previous prime is 73043863. The next prime is 73043891. The reversal of 73043880 is 8834037.

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 31 ways as a sum of consecutive naturals, for example, 7576 + ... + 14264.

It is an arithmetic number, because the mean of its divisors is an integer number (2107350).

Almost surely, 2^73043880 is an apocalyptic number.

73043880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73043880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134870400).

73043880 is an abundant number, since it is smaller than the sum of its proper divisors (196696920).

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

73043880 is a wasteful number, since it uses less digits than its factorization.

73043880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723 (or 6719 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 73043880 is about 8546.5712423170. The cubic root of 73043880 is about 418.0176423191.

The spelling of 73043880 in words is "seventy-three million, forty-three thousand, eight hundred eighty".