73883440 has 20 divisors (see below), whose sum is σ = 171779184. Its totient is φ = 29553344.

The previous prime is 73883423. The next prime is 73883441. The reversal of 73883440 is 4438837.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 73883440.

It is not an unprimeable number, because it can be changed into a prime (73883441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461692 + ... + 461851.

Almost surely, 2^73883440 is an apocalyptic number.

It is an amenable number.

73883440 is an abundant number, since it is smaller than the sum of its proper divisors (97895744).

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

73883440 is a wasteful number, since it uses less digits than its factorization.

73883440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923556 (or 923550 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 73883440 is about 8595.5476847028. The cubic root of 73883440 is about 419.6130979677.

The spelling of 73883440 in words is "seventy-three million, eight hundred eighty-three thousand, four hundred forty".