73049539 has 4 divisors (see below), whose sum is σ = 73259200. Its totient is φ = 72839880.

The previous prime is 73049533. The next prime is 73049549. The reversal of 73049539 is 93594037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73049539 - 2¹⁵ = 73016771 is a prime.

It is a super-2 number, since 2×73049539² = 10672470296225042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73049533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 104307 + ... + 105004.

It is an arithmetic number, because the mean of its divisors is an integer number (18314800).

Almost surely, 2^73049539 is an apocalyptic number.

73049539 is a deficient number, since it is larger than the sum of its proper divisors (209661).

73049539 is a wasteful number, since it uses less digits than its factorization.

73049539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209660.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 73049539 is about 8546.9023043440. The cubic root of 73049539 is about 418.0284372036.

The spelling of 73049539 in words is "seventy-three million, forty-nine thousand, five hundred thirty-nine".