73326047 has 4 divisors (see below), whose sum is σ = 76514160. Its totient is φ = 70137936.

The previous prime is 73326041. The next prime is 73326059. The reversal of 73326047 is 74062337.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73326047 - 2²² = 69131743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73326041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594022 + ... + 1594067.

It is an arithmetic number, because the mean of its divisors is an integer number (19128540).

Almost surely, 2^73326047 is an apocalyptic number.

73326047 is a deficient number, since it is larger than the sum of its proper divisors (3188113).

73326047 is a wasteful number, since it uses less digits than its factorization.

73326047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188112.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 73326047 is about 8563.0629449981. The cubic root of 73326047 is about 418.5552152078. Note that the first 3 decimals are identical.

The spelling of 73326047 in words is "seventy-three million, three hundred twenty-six thousand, forty-seven".