73240384 has 28 divisors (see below), whose sum is σ = 166099744. Its totient is φ = 31388544.

The previous prime is 73240379. The next prime is 73240411. The reversal of 73240384 is 48304237.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81294 + ... + 82189.

Almost surely, 2^73240384 is an apocalyptic number.

It is an amenable number.

73240384 is an abundant number, since it is smaller than the sum of its proper divisors (92859360).

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

73240384 is a wasteful number, since it uses less digits than its factorization.

73240384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163502 (or 163492 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 73240384 is about 8558.0595931554. The cubic root of 73240384 is about 418.3921596119.

The spelling of 73240384 in words is "seventy-three million, two hundred forty thousand, three hundred eighty-four".