73530394 has 16 divisors (see below), whose sum is σ = 126507456. Its totient is φ = 31399200.

The previous prime is 73530383. The next prime is 73530403. The reversal of 73530394 is 49303537.

73530394 = 1607² + 1608² + ... + 1634².

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5412 + ... + 13279.

It is an arithmetic number, because the mean of its divisors is an integer number (7906716).

Almost surely, 2^73530394 is an apocalyptic number.

73530394 is a deficient number, since it is larger than the sum of its proper divisors (52977062).

73530394 is a wasteful number, since it uses less digits than its factorization.

73530394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18981.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 73530394 is about 8574.9865306017. The cubic root of 73530394 is about 418.9436682243.

The spelling of 73530394 in words is "seventy-three million, five hundred thirty thousand, three hundred ninety-four".