15117073 has 4 divisors (see below), whose sum is σ = 15136308. Its totient is φ = 15097840.

The previous prime is 15117071. The next prime is 15117083. The reversal of 15117073 is 37071151.

15117073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4048144 + 11068929 = 2012^2 + 3327^2 .

It is a cyclic number.

It is not a de Polignac number, because 15117073 - 2¹ = 15117071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15117071) 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, 8386 + ... + 10027.

It is an arithmetic number, because the mean of its divisors is an integer number (3784077).

Almost surely, 2^15117073 is an apocalyptic number.

It is an amenable number.

15117073 is a deficient number, since it is larger than the sum of its proper divisors (19235).

15117073 is an equidigital number, since it uses as much as digits as its factorization.

15117073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19234.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 15117073 is about 3888.0680292402. The cubic root of 15117073 is about 247.2611606068.

The spelling of 15117073 in words is "fifteen million, one hundred seventeen thousand, seventy-three".