47320369 has 2 divisors, whose sum is σ = 47320370. Its totient is φ = 47320368.

The previous prime is 47320349. The next prime is 47320381. The reversal of 47320369 is 96302374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34810000 + 12510369 = 5900^2 + 3537^2 .

It is a cyclic number.

It is not a de Polignac number, because 47320369 - 2¹¹ = 47318321 is a prime.

It is a super-2 number, since 2×47320369² = 4478434644592322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47320349) 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 as a sum of consecutive naturals, namely, 23660184 + 23660185.

It is an arithmetic number, because the mean of its divisors is an integer number (23660185).

Almost surely, 2^47320369 is an apocalyptic number.

It is an amenable number.

47320369 is a deficient number, since it is larger than the sum of its proper divisors (1).

47320369 is an equidigital number, since it uses as much as digits as its factorization.

47320369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 47320369 is about 6878.9802296561. The cubic root of 47320369 is about 361.7007207653.

The spelling of 47320369 in words is "forty-seven million, three hundred twenty thousand, three hundred sixty-nine".