15018730073 has 8 divisors (see below), whose sum is σ = 15287400960. Its totient is φ = 14750529840.

The previous prime is 15018730061. The next prime is 15018730081. The reversal of 15018730073 is 37003781051.

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 15018730073 - 2¹² = 15018725977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15018730033) 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, 52958 + ... + 181223.

It is an arithmetic number, because the mean of its divisors is an integer number (1910925120).

Almost surely, 2^15018730073 is an apocalyptic number.

It is an amenable number.

15018730073 is a deficient number, since it is larger than the sum of its proper divisors (268670887).

15018730073 is a wasteful number, since it uses less digits than its factorization.

15018730073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235327.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 15018730073 in words is "fifteen billion, eighteen million, seven hundred thirty thousand, seventy-three".