73518013 has 8 divisors (see below), whose sum is σ = 78027840. Its totient is φ = 69028800.

The previous prime is 73517989. The next prime is 73518031. The reversal of 73518013 is 31081537.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73518013 - 2⁵ = 73517981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73518083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538 + ... + 12388.

It is an arithmetic number, because the mean of its divisors is an integer number (9753480).

Almost surely, 2^73518013 is an apocalyptic number.

It is an amenable number.

73518013 is a deficient number, since it is larger than the sum of its proper divisors (4509827).

73518013 is a wasteful number, since it uses less digits than its factorization.

73518013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 73518013 is about 8574.2645748775. The cubic root of 73518013 is about 418.9201530835.

The spelling of 73518013 in words is "seventy-three million, five hundred eighteen thousand, thirteen".