47297029 has 4 divisors (see below), whose sum is σ = 50935276. Its totient is φ = 43658784.

The previous prime is 47297027. The next prime is 47297051. The reversal of 47297029 is 92079274.

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 19228225 + 28068804 = 4385^2 + 5298^2 .

It is not a de Polignac number, because 47297029 - 2¹ = 47297027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47296982 and 47297000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47297027) 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, 1819104 + ... + 1819129.

It is an arithmetic number, because the mean of its divisors is an integer number (12733819).

Almost surely, 2^47297029 is an apocalyptic number.

It is an amenable number.

47297029 is a deficient number, since it is larger than the sum of its proper divisors (3638247).

47297029 is a wasteful number, since it uses less digits than its factorization.

47297029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638246.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 47297029 is about 6877.2835480297. The cubic root of 47297029 is about 361.6412433256.

The spelling of 47297029 in words is "forty-seven million, two hundred ninety-seven thousand, twenty-nine".