73286819 has 8 divisors (see below), whose sum is σ = 77327040. Its totient is φ = 69264936.

The previous prime is 73286789. The next prime is 73286827. The reversal of 73286819 is 91868237.

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 73286819 - 2¹² = 73282723 is a prime.

It is a super-2 number, since 2×73286819² = 10741915678277522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73286819.

It is not an unprimeable number, because it can be changed into a prime (73286879) 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, 4064 + ... + 12770.

It is an arithmetic number, because the mean of its divisors is an integer number (9665880).

Almost surely, 2^73286819 is an apocalyptic number.

73286819 is a deficient number, since it is larger than the sum of its proper divisors (4040221).

73286819 is a wasteful number, since it uses less digits than its factorization.

73286819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9169.

The product of its digits is 145152, while the sum is 44.

The square root of 73286819 is about 8560.7721030290. The cubic root of 73286819 is about 418.4805622775.

The spelling of 73286819 in words is "seventy-three million, two hundred eighty-six thousand, eight hundred nineteen".