73270047 has 8 divisors (see below), whose sum is σ = 97740544. Its totient is φ = 48823128.

The previous prime is 73270033. The next prime is 73270049. The reversal of 73270047 is 74007237.

It is a happy number.

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

It is not a de Polignac number, because 73270047 - 2²⁴ = 56492831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73269996 and 73270023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73270049) 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, 3498 + ... + 12600.

It is an arithmetic number, because the mean of its divisors is an integer number (12217568).

Almost surely, 2^73270047 is an apocalyptic number.

73270047 is a deficient number, since it is larger than the sum of its proper divisors (24470497).

73270047 is a wasteful number, since it uses less digits than its factorization.

73270047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11789.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 73270047 is about 8559.7924624374. The cubic root of 73270047 is about 418.4486361568.

The spelling of 73270047 in words is "seventy-three million, two hundred seventy thousand, forty-seven".