47400029 has 8 divisors (see below), whose sum is σ = 50527800. Its totient is φ = 44310016.

The previous prime is 47399999. The next prime is 47400043. The reversal of 47400029 is 92000474.

47400029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10067929 + 37332100 = 3173^2 + 6110^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47400029 - 2²⁰ = 46351453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47399980 and 47400007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47400049) 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, 6824 + ... + 11889.

It is an arithmetic number, because the mean of its divisors is an integer number (6315975).

Almost surely, 2^47400029 is an apocalyptic number.

It is an amenable number.

47400029 is a deficient number, since it is larger than the sum of its proper divisors (3127771).

47400029 is a wasteful number, since it uses less digits than its factorization.

47400029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18879.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 47400029 is about 6884.7678973223. The cubic root of 47400029 is about 361.9035715810.

The spelling of 47400029 in words is "forty-seven million, four hundred thousand, twenty-nine".