73236146227345 has 8 divisors (see below), whose sum is σ = 87883422230376. Its totient is φ = 58588885810176.

The previous prime is 73236146227339. The next prime is 73236146227351. The reversal of 73236146227345 is 54372264163237.

It is a Cunningham number, because it is equal to 8557812²+1.

It is an interprime number because it is at equal distance from previous prime (73236146227339) and next prime (73236146227351).

It can be written as a sum of positive squares in 4 ways, for example, as 2548122608656 + 70688023618689 = 1596284^2 + 8407617^2 .

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 73236146227345 - 2⁹ = 73236146226833 is a prime.

It is a super-2 number, since 2×73236146227345² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

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, 13510449 + ... + 18138481.

It is an arithmetic number, because the mean of its divisors is an integer number (10985427778797).

Almost surely, 2^{73236146227345} is an apocalyptic number.

It is an amenable number.

73236146227345 is a deficient number, since it is larger than the sum of its proper divisors (14647276003031).

73236146227345 is a wasteful number, since it uses less digits than its factorization.

73236146227345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792931.

The product of its digits is 30481920, while the sum is 55.

The spelling of 73236146227345 in words is "seventy-three trillion, two hundred thirty-six billion, one hundred forty-six million, two hundred twenty-seven thousand, three hundred forty-five".