73321315 has 8 divisors (see below), whose sum is σ = 88974720. Its totient is φ = 57997632.

The previous prime is 73321301. The next prime is 73321327. The reversal of 73321315 is 51312337.

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 73321315 - 2²¹ = 71224163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73321315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81939 + ... + 82828.

It is an arithmetic number, because the mean of its divisors is an integer number (11121840).

Almost surely, 2^73321315 is an apocalyptic number.

73321315 is a deficient number, since it is larger than the sum of its proper divisors (15653405).

73321315 is a wasteful number, since it uses less digits than its factorization.

73321315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164861.

The product of its digits is 1890, while the sum is 25.

The square root of 73321315 is about 8562.7866375380. The cubic root of 73321315 is about 418.5462113773.

The spelling of 73321315 in words is "seventy-three million, three hundred twenty-one thousand, three hundred fifteen".