73155315 has 8 divisors (see below), whose sum is σ = 117048528. Its totient is φ = 39016160.

The previous prime is 73155311. The next prime is 73155323. The reversal of 73155315 is 51355137.

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

It is not a de Polignac number, because 73155315 - 2² = 73155311 is a prime.

It is a super-2 number, since 2×73155315² = 10703400225498450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73155311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2438496 + ... + 2438525.

It is an arithmetic number, because the mean of its divisors is an integer number (14631066).

Almost surely, 2^73155315 is an apocalyptic number.

73155315 is a deficient number, since it is larger than the sum of its proper divisors (43893213).

73155315 is a wasteful number, since it uses less digits than its factorization.

73155315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4877029.

The product of its digits is 7875, while the sum is 30.

The square root of 73155315 is about 8553.0880388314. The cubic root of 73155315 is about 418.2301087972.

The spelling of 73155315 in words is "seventy-three million, one hundred fifty-five thousand, three hundred fifteen".