73090915 has 4 divisors (see below), whose sum is σ = 87709104. Its totient is φ = 58472728.

The previous prime is 73090883. The next prime is 73090921. The reversal of 73090915 is 51909037.

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

It is a cyclic number.

It is not a de Polignac number, because 73090915 - 2⁵ = 73090883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7309087 + ... + 7309096.

It is an arithmetic number, because the mean of its divisors is an integer number (21927276).

Almost surely, 2^73090915 is an apocalyptic number.

73090915 is a deficient number, since it is larger than the sum of its proper divisors (14618189).

73090915 is a wasteful number, since it uses less digits than its factorization.

73090915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618188.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 73090915 is about 8549.3224877764. The cubic root of 73090915 is about 418.1073474896.

The spelling of 73090915 in words is "seventy-three million, ninety thousand, nine hundred fifteen".