73430784 has 216 divisors, whose sum is σ = 251902560. Its totient is φ = 20127744.

The previous prime is 73430771. The next prime is 73430809. The reversal of 73430784 is 48703437.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467634 + ... + 467790.

Almost surely, 2^73430784 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 73430784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125951280).

73430784 is an abundant number, since it is smaller than the sum of its proper divisors (178471776).

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

73430784 is a wasteful number, since it uses less digits than its factorization.

73430784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 73430784 is about 8569.1763898288. The cubic root of 73430784 is about 418.7544048248.

The spelling of 73430784 in words is "seventy-three million, four hundred thirty thousand, seven hundred eighty-four".