73278086 has 8 divisors (see below), whose sum is σ = 125619600. Its totient is φ = 31404888.

The previous prime is 73278083. The next prime is 73278089. The reversal of 73278086 is 68087237.

It is an interprime number because it is at equal distance from previous prime (73278083) and next prime (73278089).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73278083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617061 + ... + 2617088.

It is an arithmetic number, because the mean of its divisors is an integer number (15702450).

Almost surely, 2^73278086 is an apocalyptic number.

73278086 is a deficient number, since it is larger than the sum of its proper divisors (52341514).

73278086 is a wasteful number, since it uses less digits than its factorization.

73278086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234158.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 73278086 is about 8560.2620286998. The cubic root of 73278086 is about 418.4639392978.

The spelling of 73278086 in words is "seventy-three million, two hundred seventy-eight thousand, eighty-six".