73405384 has 16 divisors (see below), whose sum is σ = 148222620. Its totient is φ = 33879360.

The previous prime is 73405361. The next prime is 73405393. The reversal of 73405384 is 48350437.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61308900 + 12096484 = 7830^2 + 3478^2 .

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, 352807 + ... + 353014.

Almost surely, 2^73405384 is an apocalyptic number.

It is an amenable number.

73405384 is an abundant number, since it is smaller than the sum of its proper divisors (74817236).

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

73405384 is a wasteful number, since it uses less digits than its factorization.

73405384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705840 (or 705836 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 73405384 is about 8567.6942055608. The cubic root of 73405384 is about 418.7061163191.

The spelling of 73405384 in words is "seventy-three million, four hundred five thousand, three hundred eighty-four".