15030073 has 4 divisors (see below), whose sum is σ = 15284880. Its totient is φ = 14775268.

The previous prime is 15030049. The next prime is 15030079. The reversal of 15030073 is 37003051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15030073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15030073.

It is not an unprimeable number, because it can be changed into a prime (15030079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127315 + ... + 127432.

It is an arithmetic number, because the mean of its divisors is an integer number (3821220).

Almost surely, 2^15030073 is an apocalyptic number.

It is an amenable number.

15030073 is a deficient number, since it is larger than the sum of its proper divisors (254807).

15030073 is an equidigital number, since it uses as much as digits as its factorization.

15030073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254806.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 15030073 is about 3876.8638098339. The cubic root of 15030073 is about 246.7859116247.

The spelling of 15030073 in words is "fifteen million, thirty thousand, seventy-three".