73916280 has 128 divisors (see below), whose sum is σ = 249480000. Its totient is φ = 19464192.

The previous prime is 73916261. The next prime is 73916281. The reversal of 73916280 is 8261937.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73916281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95736 + ... + 96504.

Almost surely, 2^73916280 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 73916280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124740000).

73916280 is an abundant number, since it is smaller than the sum of its proper divisors (175563720).

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

73916280 is a wasteful number, since it uses less digits than its factorization.

73916280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 73916280 is about 8597.4577637811. The cubic root of 73916280 is about 419.6752591817.

The spelling of 73916280 in words is "seventy-three million, nine hundred sixteen thousand, two hundred eighty".