9072515 has 8 divisors (see below), whose sum is σ = 10903200. Its totient is φ = 7247232.

The previous prime is 9072473. The next prime is 9072517. The reversal of 9072515 is 5152709.

9072515 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9072515 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9072517) 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, 5786 + ... + 7184.

It is an arithmetic number, because the mean of its divisors is an integer number (1362900).

Almost surely, 2^9072515 is an apocalyptic number.

9072515 is a deficient number, since it is larger than the sum of its proper divisors (1830685).

9072515 is a wasteful number, since it uses less digits than its factorization.

9072515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 9072515 is about 3012.0615863558. The cubic root of 9072515 is about 208.5655451655.

The spelling of 9072515 in words is "nine million, seventy-two thousand, five hundred fifteen".