73483728 has 20 divisors (see below), whose sum is σ = 189833088. Its totient is φ = 24494560.

The previous prime is 73483723. The next prime is 73483757. The reversal of 73483728 is 82738437.

It is a self number, because there is not a number n which added to its sum of digits gives 73483728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73483723) 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, 765408 + ... + 765503.

Almost surely, 2^73483728 is an apocalyptic number.

It is an amenable number.

73483728 is an abundant number, since it is smaller than the sum of its proper divisors (116349360).

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

73483728 is a wasteful number, since it uses less digits than its factorization.

73483728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530922 (or 1530916 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 73483728 is about 8572.2650448992. The cubic root of 73483728 is about 418.8550220582.

The spelling of 73483728 in words is "seventy-three million, four hundred eighty-three thousand, seven hundred twenty-eight".