73040284 has 6 divisors (see below), whose sum is σ = 127820504. Its totient is φ = 36520140.

The previous prime is 73040281. The next prime is 73040291. The reversal of 73040284 is 48204037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73040281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9130032 + ... + 9130039.

Almost surely, 2^73040284 is an apocalyptic number.

It is an amenable number.

73040284 is a deficient number, since it is larger than the sum of its proper divisors (54780220).

73040284 is a wasteful number, since it uses less digits than its factorization.

73040284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18260075 (or 18260073 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 73040284 is about 8546.3608629638. The cubic root of 73040284 is about 418.0107824420.

It can be divided in two parts, 730 and 40284, that added together give a palindrome (41014).

The spelling of 73040284 in words is "seventy-three million, forty thousand, two hundred eighty-four".