47321773 has 4 divisors (see below), whose sum is σ = 47348188. Its totient is φ = 47295360.

The previous prime is 47321731. The next prime is 47321777. The reversal of 47321773 is 37712374.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12299049 + 35022724 = 3507^2 + 5918^2 .

It is a cyclic number.

It is not a de Polignac number, because 47321773 - 2¹⁷ = 47190701 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 (47321777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10308 + ... + 14173.

It is an arithmetic number, because the mean of its divisors is an integer number (11837047).

Almost surely, 2^47321773 is an apocalyptic number.

It is an amenable number.

47321773 is a deficient number, since it is larger than the sum of its proper divisors (26415).

47321773 is a wasteful number, since it uses less digits than its factorization.

47321773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26414.

The product of its digits is 24696, while the sum is 34.

The square root of 47321773 is about 6879.0822789090. The cubic root of 47321773 is about 361.7042979619.

The spelling of 47321773 in words is "forty-seven million, three hundred twenty-one thousand, seven hundred seventy-three".