73802240 has 80 divisors (see below), whose sum is σ = 179131392. Its totient is φ = 29159424.

The previous prime is 73802231. The next prime is 73802263. The reversal of 73802240 is 4220837.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325007 + ... + 325233.

Almost surely, 2^73802240 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 73802240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89565696).

73802240 is an abundant number, since it is smaller than the sum of its proper divisors (105329152).

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

73802240 is a wasteful number, since it uses less digits than its factorization.

73802240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 73802240 is about 8590.8230106318. The cubic root of 73802240 is about 419.4593193788.

The spelling of 73802240 in words is "seventy-three million, eight hundred two thousand, two hundred forty".